05th week of 2011 patent applcation highlights part 32 |
Patent application number | Title | Published |
20110026712 | CONCEALING PLAIN TEXT IN SCRAMBLED BLOCKS - An apparatus generally having a first circuit and a second circuit is disclosed. The first circuit may be configured to (i) divide a plain text into at least three input blocks and (ii) generate at least three scrambled blocks by scrambling the input blocks using a first cipher process. The first cipher process may be configured such that a first of the input blocks does not affect the generation of a last scrambled block. The second circuit may be configured to (i) generate at least three output blocks by de-scrambling the scrambled blocks using a second cipher process and (ii) reconstruct the plain text from the output blocks. The second cipher process may be configured such that a first of the scrambled blocks affects the generation of all of the output blocks. | 2011-02-03 |
20110026713 | Efficient Rebinding of Partitioned Content Encrypted Using Broadcast Encryption - Provided is a method for rendering media content wherein a request to render a first media content stored in a first partition is received, wherein the first partition stores the first and a second media content; the media content is correlated to a first management key block (MKB), binding ID (IDb) and authorization table (AT); the first MKB, IDb and AT are compared to a current MKB, IDb and AT; and if any of the first MKB, IDb or AT do not correspond to the current MKB, IDb or AT, respectively, generating a second partition by rebinding the first media content with respect to the current MKB, IDb and AT to generate a title key; and associating the first media content, the current MKB, IDb, AT and title key with the second partition, wherein the second media content remains associated with the first MKB, IDb, AT and partition. | 2011-02-03 |
20110026714 | METHODS AND DEVICE FOR SECURE TRANSFER OF SYMMETRIC ENCRYPTION KEYS - A sending device generates a first and a second KMM, wherein the first KMM includes a first KEK and a KMM encryption key, and the second KMM includes a set of symmetric encryption keys. The sending device further encrypts the set of symmetric encryption keys using the first KEK; encrypts the first KEK and the KMM encryption key using a first public key of a receiving device; and encrypts the second KMM using the KMM encryption key to generate an encrypted second KMM before sending the first KMM and the encrypted second KMM to the receiving device. The receiving device decrypts the first KEK and the KMM encryption key using a first private key that corresponds to the first public key; and decrypts the encrypted second KMM using the KMM encryption key to obtain the encrypted set of symmetric keys. | 2011-02-03 |
20110026715 | SELF-HEALING ENCRYPTION KEYS - A method and nodes provide self-healing encryption keys from a server to a client. Forward keys and backward keys are generated at the server. The server sends to the client a pair comprising a forward key for a first instant and a backward key for a later instant, the first and later instants being separated by a self-healing period. The client calculates a backward key for the first instant by processing the received backward key for the later instant. The server updates the keys to the client. If the client misses an update, it processes the first forward key to obtain a next one. If the client misses an updated backward key within the self-healing period, it uses the already processed backward key. If the client misses a later backward key, it sends a feedback to the server, responsive to which the server adjusts the self-healing period. | 2011-02-03 |
20110026716 | Method And System For On-Screen Authentication Using Secret Visual Message - A method of authenticating a user includes providing a user key to an authentication authority, providing a transmission message from the authentication authority in response to the user key, providing a secret message using the transmission message, displaying the secret message to the user using a display screen, and providing a user response to the authentication authority in response to the user observing the secret message. | 2011-02-03 |
20110026717 | Audio Output Device and Audio Output Method - An audio output device includes: a speaker unit including at least first to third speakers; and an audio signal processor configured to select either one of a first mode for outputting a stereo audio signal from the first and second speakers and a second mode for outputting a monaural audio signal from the third speaker and the first or second speaker. | 2011-02-03 |
20110026718 | VIRTUALIZER WITH CROSS-TALK CANCELLATION AND REVERB - Audio loudspeaker and headphone virtualizers and cross-talk cancellers and methods use separate virtual speaker locations for different Bark frequency bands and a single reverberation filter for multi-channel virtualizer inputs. | 2011-02-03 |
20110026719 | CONFIGURABLE RECURSIVE DIGITAL FILTER FOR PROCESSING TELEVISION AUDIO SIGNALS - A television audio signal encoder includes a device that sums a left channel audio signal and a right channel audio signal to produce a sum signal. The device also subtracts one of the left and right audio signals from the other to produce a difference signal. The encoder also includes a configurable infinite impulse response digital filter that selectively uses one or more sets of filter coefficients to filter the difference signal. The set of filter coefficients is applied to the difference signal by a single multiplier in a recursive manner to prepare the difference signal for transmission. | 2011-02-03 |
20110026720 | SIGNAL PROCESSING APPARATUS AND SIGNAL PROCESSING METHOD - A surround effect in low-tone range can be improved when speakers to be positioned in front of a listener are used to realize a surround sound. A left surround signal extracting part | 2011-02-03 |
20110026721 | BONE CONDUCTION DEVICE FITTING - Methods and systems for fitting a bone conduction device are provided herein. These methods and systems comprise determining a gain to be used by the bone conduction device in providing signals at a particular frequency. In determining the gain, a fitting system may provide a test sound that is modulated between a first signal provided to a speaker and a second audible signal provided to a bone conduction device. The first and second audible signal may comprise properties such that when the two signals are added together they produce a constant amplitude output. In an embodiment, each of the first and second audible signals may comprise substantially identical frequency characteristics and signal amplitudes, such as, for example, equal amplitude sinusoids centered on the particular frequency for the measurement. When each of these two audible signals are provided to a recipient of the bone conduction device, the recipient may perceive a variance in the intensity of the sounds when the intensity of the two sounds generated by the two audible signals do not give rise to the same psychophysical loudness. If the recipient perceives this variance, the gain of the bone conduction device may be adjusted to increase or decrease the loudness of the sound provided via the bone conduction device to reduce or eliminate the variance. | 2011-02-03 |
20110026722 | Vibration Sensor and Acoustic Voice Activity Detection System (VADS) for use with Electronic Systems - A voice activity detector (VAD) combines the use of an acoustic VAD and a vibration sensor VAD as appropriate to the conditions a host device is operated. The VAD includes a first detector receiving a first signal and a second detector receiving a second signal. The VAD includes a first VAD component coupled to the first and second detectors. The first VAD component determines that the first signal corresponds to voiced speech when energy resulting from at least one operation on the first signal exceeds a first threshold. The VAD includes a second VAD component coupled to the second detector. The second VAD component determines that the second signal corresponds to voiced speech when a ratio of a second parameter corresponding to the second signal and a first parameter corresponding to the first signal exceeds a second threshold. | 2011-02-03 |
20110026723 | ACTIVE VIBRATORY NOISE CONTROL APPARATUS - An active vibratory noise control apparatus includes a basic signal generator configured to output a basic sine wave signal and a basic cosine wave signal. An adaptive finite impulse response filter is configured to output a control signal to cancel the vibratory noise. A vibratory noise cancelling device is configured to generate vibratory-noise canceling sound. An error signal detector is configured to output an error signal. A reference signal generator is configured to output a reference signal and corrects the basic cosine wave signal and the basic sine wave signal based on correction values. A buffer is configured to accumulate a number of reference signals corresponding to a number of taps of the adaptive finite impulse response filter. A filter coefficient updating device is configured to sequentially update filter coefficients of the adaptive finite impulse response filter to minimize the error signal. | 2011-02-03 |
20110026724 | ACTIVE NOISE REDUCTION METHOD USING PERCEPTUAL MASKING - A method of active noise reduction is described which comprises receiving an audio signal ( | 2011-02-03 |
20110026725 | METHOD FOR MONITORING THE INFLUENCE OF AMBIENT NOISE ON STOCHASTIC GRADIENT ALGORITHMS DURING IDENTIFICATION OF LINEAR TIME-INVARIANT SYSTEMS - A hearing aid system and a method of estimating ambient noise in a listening device includes an input transducer and an output transducer, an electrical forward path between the input transducer and the output transducer providing a forward gain, an electrical feedback path comprising an adaptive filter for estimating the acoustic feedback gain from the output transducer to the input transducer. A method determines the quality of a critical gain measurement for a listening device. The method comprises a) monitoring the energy of the first-difference of the filter coefficients of the adaptive filter over time and b) applying a predefined threshold criterion to the change in energy content from one time instance to another to determine an acceptable impact of the ambient noise. This technique may e.g. be used for the fitting of hearing instruments where background noise is variable. | 2011-02-03 |
20110026726 | WIRELESS HEADPHONE INTEGRATED WITH AN ADJUSTMENT CONTROL DEVICE - A wireless headphone integrated with an adjustment control device includes a headphone, a tuning unit having a base disposed on a side of the headphone containing an ear muff, a rotatable tuning shaft protruded from the base and coupled to a knob, a direction changing unit having a through hole at the middle of the direction changing unit and rotably coupled to the base, such that the tuning shaft is passed through the through hole, a microphone unit movably coupled to the direction changing unit, such that the microphone unit can be rotated, extended, contracted or adjusted by the direction changing unit. Therefore, the wireless headphone integrated with an adjustment control device achieves the effects of simplifying the assembly structure, lowering the manufacturing cost, and beautifying the appearance of the headphone. | 2011-02-03 |
20110026727 | INTELLIGENT NETWORK COMMUNICATION DEVICE IN AN AUDIO VIDEO DISTRIBUTION SYSTEM - This disclosure describes an intelligent network communication device in an audio video distribution system that uses a local area network that includes a network speaker node; an audio input device that receives the analog audio signal and that couples to a network speaker node through a speaker/microphone driver; and an audio output device that transmits the analog audio signal and that couples to the network speaker node through the speaker/microphone driver. The network speaker node further includes a controller with a network interface that couples to the local area network, where the controller further comprises an embedded controller with memory and which is programmed to function as a web server. The network speaker node further includes a digital signal processor that couples to the controller. And, the network speaker node further includes a speaker/microphone driver that couples to the digital signal processor. | 2011-02-03 |
20110026728 | Audio Output Device - An audio output device includes: a main unit including a terminal configured to connect an external speaker; a speaker unit configured to be detachably attached to the main unit while the terminal is covered with the speaker unit; and an amplification unit configured to amplify an audio signal so that the amplified audio signal is input to the terminal and the speaker unit. | 2011-02-03 |
20110026729 | VEHICLE EXISTENCE INFORMING DEVICE AND METHOD FOR INFORMING EXISTENCE OF A VEHICLE - A vehicle existence informing device is configured to inform existence of a vehicle by using a warning sound at a frequency in an audible range. A speaker array includes at least two speakers arranged so that oscillation directions of oscillators of the at least two speakers substantially coincide with each other. The speaker array is configured to radiate a warning sound on a carrier wave, which is at a frequency in an ultrasonic range, to an air. A phase control unit is configured to advance and delay a phase of a sound wave radiated from one of the at least two speakers with respect to a phase of a sound wave radiated from an other of the at least two speakers. | 2011-02-03 |
20110026730 | AUDIO PROCESSING APPARATUS AND METHOD - An audio processing apparatus is provided, comprising: a main microphone for receiving sounds from a source and noises from non-source sources and generating a main input; a reference microphone for receiving the sounds and the noises and generating a reference input; a short-time Fourier transformation (STFT) unit for applying short time Fourier transformation to convert the main input of a time domain signals into a main signal of a frequency domain and convert the reference input of the time domain signals into a reference signal of the frequency domain; a sensitivity calibrating unit for performing sensitivity calibration on the main signal and the reference signal and generating a main calibrated signal and a reference calibrated signal; and a voice active detector (VAD) for generating a voice active signal according to the main calibrated signal, the reference calibrated signal and a direction of arrival (DOA) signal. | 2011-02-03 |
20110026731 | MICROPHONE CIRCUIT AND METHOD FOR PREVENTING MICROPHONE CIRCUIT FROM GENERATING NOISE WHEN RESET - The invention provides a microphone circuit. In one embodiment, the microphone circuit comprises a transducer, a biasing resistor, a pre-amplifier, and a switch circuit. The transducer is coupled between a ground and a first node for converting a sound into a voltage signal output to the first node. The biasing resistor is coupled between the ground and the first node. The pre-amplifier is biased with a biasing voltage and coupled between the first node and a second node, and amplifies the voltage signal to obtain an output signal at the second node. The switch circuit is coupled between the first node and the ground, couples the first node to the ground when the microphone circuit is reset, and decouples the first node from the ground after a voltage status of the microphone circuit is stable, thus clamping a voltage of the first node to the ground to prevent generation of a popping noise when the microphone circuit is reset. | 2011-02-03 |
20110026732 | System for Detecting and Reducing Noise via a Microphone Array - A system for detecting noise in a signal received by a microphone array and a method for detecting noise in a signal received by a microphone array is disclosed. The system also provides for the reduction of noise in a signal received by a microphone array and a method for reducing noise in a signal received by a microphone array. The signal to noise ratio in handsfree systems may be improved, particularly in handsfree systems present in a vehicular environment. | 2011-02-03 |
20110026733 | DEVICE FOR CANCELLING BACKGROUND NOISE AND METHOD THEREOF - A method for cancelling background noise of an audio device comprises determining characteristic values of an audio signal to construct a characteristic signal reflecting a change trend of the audio signal, multiplying the determined characteristic signal with the audio signal to construct a multiplication signal, and amplifying the multiplication signal. | 2011-02-03 |
20110026734 | System for Suppressing Wind Noise - A voice enhancement logic improves the perceptual quality of a processed voice. The voice enhancement system includes a noise detector and a noise attenuator. The noise detector detects a wind buffet and a continuous noise by modeling the wind buffet. The noise attenuator dampens the wind buffet to improve the intelligibility of an unvoiced, a fully voiced, or a mixed voice segment. | 2011-02-03 |
20110026735 | Noise reducing circuit - A noise reducing circuit includes a variable low-cut filter disposed at an upstream of a sound signal switching section and has a variable cutoff frequency, and a control circuit which controls the cutoff frequency of the variable low-cut filter to a first cutoff frequency lower than a cutoff frequency of a low-cut filter disposed at downstream of the variable low-cut filter when a switching instruction is not issued from a switching instructing section, and increases the cutoff frequency of the variable low-cut filter to a second cutoff frequency higher than the first cutoff frequency when the switching instruction is issued. The switching of the sound signal switching section is executed after a predetermined period elapses since the switching instruction is issued, and the control section decreases the cutoff frequency of the variable low-cut filter to the first cutoff frequency after the switching of the sound signal switching section is completed. | 2011-02-03 |
20110026736 | AUDIO-SEPARATING APPARATUS AND OPERATION METHOD THEREOF - This present invention discloses an audio-separating apparatus and operation method thereof. The audio-separating apparatus applies both blind source separation and noise reduction mechanisms. The audio-separating apparatus only uses one microphone to record mixed sound signals. After applying the noise reduction mechanism, noise reduced signals and the mixed sound signals are used as the inputs of the blind source separation. The method may avoid the spatial aliasing effect caused by using a microphone array to record the mixed sound signals. Besides, speech segment losses caused by processing the noise reduction will be effectively recovered, which may help the hearing impaired recognize target speech signals. | 2011-02-03 |
20110026737 | METHOD AND APPARATUS FOR CONTROLLING VOLUME IN AN ELECTRONIC MACHINE - A method and an apparatus for controlling/adjusting volume, which can set multiple volume modes having different volume intervals and control volume by a volume interval of a corresponding volume mode according to a given circumstance in an electronic device having a volume change function. The method includes detecting a volume change event; when the volume change event is a volume mode change, changing a current volume mode to a volume mode corresponding to the volume change event; and when the volume change event is a volume value change, controlling volume up/down in response to the volume change event. | 2011-02-03 |
20110026738 | Mixing Apparatus - Signal of a channel selected in accordance with a cue instruction is supplied to a cue bus. Cue signal processing section provided in the cue bus can perform one or more signal processing operations, selected from among a predetermined plurality of different signal processing operations, such as “Delay”, “Insert” and “Equalizer”. For each of a plurality of channel types, a set of setting information is stored which contains information for setting ON or OFF of individual ones of the plurality of different signal processing operations. The set of setting information corresponding to the type of the channel selected via the cue instruction is referenced, and one or more signal processing operations is determined in such a manner that each signal processing operation set in an ON state in the setting file in correspondence with the type of the selected channel is performed on the signal supplied to the cue bus. | 2011-02-03 |
20110026739 | HIGH LEVEL CAPABLE AUDIO AMPLIFICATION CIRCUIT - The present invention relates to an audio amplification circuit with first and second signal channels which generate first and second digital audio signals with different signal amplifications from a common audio input signal and a method of amplifying a common audio input signal with different signal amplifications to provide first and second digital audio signals with different amplification. The audio amplification circuit is particularly well-adapted for cooperating with an external or integral audio signal controller configured for receipt and processing of the first and second digital audio signals. | 2011-02-03 |
20110026740 | METHODS AND APPARATUS FOR PROCESSING AUDIO SIGNALS - Various methods and apparatus for processing audio signals are disclosed herein. The assembly may be attached, adhered, or otherwise embedded into or upon a removable oral appliance to form a hearing aid assembly. Such an oral appliance may be a custom-made device which can enhance and/or optimize received audio signals for vibrational conduction to the user. Received audio signals may be processed to cancel acoustic echo such that undesired sounds received by one or more intra-buccal and/or extra-buccal microphones are eliminated or mitigated. Additionally, a multiband actuation system may be used where two or more transducers each deliver sounds within certain frequencies. Also, the assembly may also utilize the sensation of directionality via the conducted vibrations to emulate directional perception of audio signals received by the user. Another feature may include the ability to vibrationally conduct ancillary audio signals to the user along with primary audio signals. | 2011-02-03 |
20110026741 | HUMAN BODY SOUND TRANSMISSION SYSTEM AND METHOD FOR TRANSMITTING A PLURALITY OF SIGNALS - There are provided a human body sound transmission system and a method. The human body sound transmission system according to an aspect of the present invention directly or indirectly contacts a human body to apply coupled signals of high frequency sound signals with high frequency signals, which recover sound signals from the high frequency sound signals, to the human body and transmit the sound signals using the human body as a transmission medium, wherein a magnitude of the sound signals recovered around a human's ear is increased in proportion to the number of signals transmitted through the human body by transmitting the plurality of signals including the same sound signals through the human body. | 2011-02-03 |
20110026742 | METHOD OF FABRICATING INTEGRATED SEMICONDUCTOR DEVICE AND STRUCTURE THEREOF - A method of fabricating an integrated semiconductor device, comprising: providing a substrate having a first region and a second region; and forming a semiconductor unit on the first region and forming a micro electro mechanical system (MEMS) unit on the second region in one process. | 2011-02-03 |
20110026743 | SYSTEM, METHOD AND APPARATUS FOR TELEVISION SPEAKER CONFIGURATION - An application for present invention includes a television with a set of speaker outputs including at least a left speaker and a right speaker. On screen displays are used to properly configure the speakers and assure maximum audio quality from the television. In some embodiments, a cross-point switch connects the speakers attached to the television with the correct outputs of an internal amplifier. | 2011-02-03 |
20110026744 | Passive Directional Acoustic Radiating - An audio system for a television using a pipe type passive directional acoustic device mounted in a television cabinet. The slotted pipe type passive directional acoustic device includes a first acoustic driver, acoustically coupled to a pipe to radiate acoustic energy into the pipe. The first pipe includes an elongated opening along at least a portion of the length of the pipe;. Acoustically resistive material is in the opening. Pressure waves are radiated to the environment through the opening. The pressure waves are characterized by a volume velocity. The pipe, the opening, and the acoustically resistive material are configured so that the volume velocity is substantially constant along the length of the pipe. The passive directional acoustic devices directionally radiate sound waves laterally from the television cabinet. | 2011-02-03 |
20110026745 | DISTRIBUTED SIGNAL PROCESSING OF IMMERSIVE THREE-DIMENSIONAL SOUND FOR AUDIO CONFERENCES - Embodiments of the present invention are directed to audio-conference communication systems that enable audio-conference participants to identify which of the participants are speaking. In one embodiment, an audio-communication system comprises at least one communications server, a plurality of stereo sound generating devices, and a plurality of microphones. Each stereo sound generating device is electronically coupled to the at least one communications server, and each microphone is electronically coupled to the at least one communications server. Each microphone detects different sounds that are sent to the at least one communications server as corresponding sound signals. The at least one communications server converts the sound signals into corresponding stereo signals that when combined and played over each of stereo sound generating devices creates an impression for a person listing to any one of the stereo sound generating devices that each of the sounds emanates from a different virtual location in three-dimensional space. | 2011-02-03 |
20110026746 | METHOD FOR DETERMINING OF FEEDBACK THRESHOLD IN A HEARING DEVICE AND A HEARING DEVICE - A method for determining feedback thresholds in a plurality of frequency bands and/or at a plurality of frequencies processed by a hearing device is disclosed. The feedback thresholds are defined as gains, at which feedback occurs while a hearing device user is wearing the hearing device. The method comprises the steps of determining a quality index for a measured feedback threshold, and considering a measured feedback threshold as final if the quality index meets minimum predefined requirements. | 2011-02-03 |
20110026747 | HEARING DEVICE WITH USER CONTROL - The hearing device comprises a battery door ( | 2011-02-03 |
20110026748 | BONE CONDUCTION DEVICE FOR A SINGLE SIDED DEAF RECIPIENT - Methods and systems are provided for determining whether signals to be applied by a bone conduction device would be masked by signals arriving at the good ear of a single sided deaf patient. The bone conduction device then applies stimulation for frequency components of the sound received by the bone conduction device that would not be masked by sound received by the patient's good ear. In applying the stimulation, the bone conduction device may apply a gain to compensate for the head shadow effect. This gain may be determined by inverting at least a portion of a curve for the head shadow effect. | 2011-02-03 |
20110026749 | FRAME FOR A PORTABLE ELECTRONIC DEVICE - A frame for a portable electronic device comprising a frame body with stand or hanger attached to a receptacle for receiving the portable electronic device. The receptacle has a receiving slot for insertion of the portable electronic device, and the receptacle holds the digital display of the device in alignment with a display opening of the frame body. The portable electronic device is inserted directly into the receptacle or using a protective sleeve. The receptacle optionally includes an accessory opening or electronic module used for providing power to the portable electronic device or attaching other accessories. The frame provides a method of using a portable electronic device as a digital photo frame with an ornamental accent about the digital display provided by a front face member. When the portable electronic device is not in use, a printed photo insert is provided for display. | 2011-02-03 |
20110026750 | DIAPHRAGM AND LOUDSPEAKER USING THE SAME - A diaphragm includes a diaphragm matrix and at least one reinforcing structure composited with the diaphragm matrix. The at least one reinforcing structure includes at least one freestanding carbon nanotube structure. A loudspeaker includes a magnetic circuit defining a magnetic gap; a bobbin located in the magnetic gap; a voice coil wound on the bobbin; and a diaphragm. The diaphragm includes an inner rim fixed to the bobbin a diaphragm matrix, and at least one reinforcing structure composited with the diaphragm matrix. The at least one reinforcing structure includes at least one freestanding carbon nanotube structure. | 2011-02-03 |
20110026751 | High Acoustic Compliance Device for Loudspeaker Systems - There is provided a device for propagating acoustic vibrations through an environment. The device includes a low pressure chamber containing a volume of reduced pressure relative to the environment. A movable wall is formed on the low pressure chamber, said movable wall having an ambient side facing the environment and a low pressure side facing the volume of reduced pressure. The movable wall is sufficiently biased towards the environment and away from the volume of reduced pressure such that the movable wall can freely vibrate back and forth relative to the volume of reduced pressure in response to acoustic vibrations impinging on the ambient side of the movable wall. The device has the acoustical compliance of a device of far larger volume. | 2011-02-03 |
20110026752 | MINIATURE MICROPHONE, PROTECTION FRAME THEREOF AND METHOD FOR MANUFACTURING THE SAME - A miniature microphone is provided. In one embodiment, the miniature microphone comprises: a circuit board substrate at the upper part of the miniature microphone, wherein a plurality of contact pads are configured at prescribed positions on one side of the circuit board substrate and one or more electrical components are installed on the other side thereof; a protection frame with a cavity in the central portion thereof, wherein one or more components are installed inside the cavity, the outer side of the protection frame forms the body portion, a first metal shielding layer is provided on the inner surface of the body portion, and an insulating mechanism is provided on the inner side of the first metal shielding layer, which enables the one or more components to be electrically insulated from the first metal shielding layer; and a bottom plate, wherein one or more sound holes are provided in the central portion thereof for passing sound, and a second metal shielding layer is provided on the whole surface of the side of the bottom plate coming into contact with the protection frame. Since a metal shielding layer and an insulating mechanism are provided on the inner side the protection frame of the miniature microphone, the electromagnetic shielding effect is good, meanwhile, an inner short circuit can be prevented in the miniature microphone. Besides, the production costs are low and the manufacturing process is simple. | 2011-02-03 |
20110026753 | MICROPHONE APPARATUS WITH INCREASED DIRECTIVITY - A microphone assembly includes a housing including at least one first tube in communication with at least one first cavity, at least one second tube in communication with at least one second cavity, one third tube in communication with at least one third cavity, and at least one microphone element separating the first, second and third cavities, wherein sound waves are received in the first, second, and third tubes and directed into the cavities and received by the microphone element. A method for converting sound waves into an electrical signal includes receiving the sound waves through at least three tube openings and directing the received sound waves along tube pathways into at least a first, second, and third cavity to a microphone separating the first, second, and third cavity. The method further includes converting the received sound waves into an electrical signal with the microphone. | 2011-02-03 |
20110026754 | EARPHONE ASSEMBLY AND PORTABLE ELECTRONIC DEVICE USING THE SAME - An earphone assembly includes a casing, at least one secondary cable, at least one earphone, and at least one reel mechanism. The casing includes an assembly chamber. The earphone electrically connects to the casing by the secondary wire. The reel mechanism is received in the assembly chamber, and controls a length of the secondary cable extending from the assembly chamber. A portable electronic device using the earphone assembly is also provided. | 2011-02-03 |
20110026755 | EARPHONE WITH ADJUSTABLE PLUG - An earphone comprises two earbuds, a plug assembly, and a wire connected to the earbuds and the plug assembly. The plug assembly comprises a first insulation shell, a second insulation shell, an adjusting wheel located between the first insulation shell and the second insulation shell, a plug fixed in the inside of the first insulation shell, two stopping blocks fixed to one side of the first insulation shell away from the wire, and a resetting element received in the second insulation shell. The plug comprises a plug core and a sleeve set on the outside of the plug core. | 2011-02-03 |
20110026756 | DISPLAY DEVICE - A display device includes a display, and a pair of sound boxes. The sound boxes are adjustably fixed to the display via at least two fixing members. | 2011-02-03 |
20110026757 | ACOUSTIC CONVERTER DIAPHRAGM, AND ACOUSTIC CONVERTER - A diaphragm for acoustic converter includes a base and a damping layer formed on one surface or both surfaces of the base. The damping layer includes a particle having a heat dissipating function, and has detachability with respect to the base. | 2011-02-03 |
20110026758 | DIAPHRAGM AND LOUDSPEAKER USING THE SAME - A diaphragm includes a membrane and at least one reinforcing structure stacked on the membrane. The at least one reinforcing structure includes at least one free-standing carbon nanotube structure. The at least one free-standing carbon nanotube structure includes a net structure of a plurality of carbon nanotubes combined to each other due to the van der Waals attractive force. A loudspeaker using the diaphragm is also disclosed. | 2011-02-03 |
20110026759 | RING SHAPED MEMBRANE FOR AN ELECTRO-ACOUSTICAL LOUDSPEAKER - Ring-shaped membrane for an electro-acoustical loudspeaker, where said membrane comprises two or more dome-shaped annulus concentrically arranged around a central portion through which an imaginary axis of symmetry passes, where an outer periphery of said membrane is suitable to be attached to a surround; where the central portion is attached to a tower, which again is fastened to the loudspeakers driver, wherein the angle between a plane being perpendicular to the axis of symmetry and the attachment of the membrane to the surround resp. the tower is in the interval 0° to 40°, most preferred around 30°. | 2011-02-03 |
20110026760 | METHOD FOR CHARACTERIZING POWDER IN A ROTATING CYLINDRICAL CONTAINER BY IMAGE ANALYSIS - A method is provided for characterizing powders and powder behavior in a rotating cylindrical container by image analysis techniques. Powder is placed in a generally cylindrical container with transparent ends. The container is then placed in front of an imaging device and illuminated with a light source so the device can capture images of the powder over time. The container is then rotated at various speeds and the camera captures images of the powder at fixed time intervals. Image analysis algorithms are then used to isolate the powder information in the images and this data is used to calculate several parameters of the powder including the potential energy of the powder, the curvature of the powder, and volume of the powder. From these calculations, the average potential energy level of the powder, the potential energy level at which the powder yields or avalanches, the change in the potential energy before and after an avalanche, the powder surface curvature, and powder volume can be determined as a function of container rotation speed. | 2011-02-03 |
20110026761 | MEDIA FINGERPRINTS THAT RELIABLY CORRESPOND TO MEDIA CONTENT - Quantized energy values are accessed to initially represent a temporally related group of content elements in a media sequence. The values are accessed over a matrix of regions into which the initial representation is partitioned. The initial representation may be downsampled and/or cropped from the content. A basis vector set is estimated in a dimensional space from the values. The initial representation is transformed into a subsequent representation, which is in another dimensional space. The subsequent representation projects the initial representation, based on the basis vectors. The subsequent representation reliably corresponds to the media content portion over a change in a geometric orientation thereof. Repeated for other media content portions of the group, subsequent representations of the first and other portions are averaged or transformed over time. The averaged/transformed values reliably correspond to the content portion over speed changes. The initial representation may include spatial or transform related information. | 2011-02-03 |
20110026762 | MARKER PROCESSING METHOD, MARKER PROCESSING DEVICE, MARKER, OBJECT HAVING A MARKER, AND MARKER PROCESSING PROGRAM - A marker processing method includes: (a) binarizing a shot image; (b) labeling one or more constituents of the image detected based on the image binarized in step (a); (c) obtaining a region centroid of each of the constituents corresponding to the respective labels processed in step (b); (d) obtaining a degree of overlap of the region centroids of the constituents corresponding respectively to the labels, obtained in step (c); and (e) detecting a marker based on the degree of overlap of the region centroids obtained in step (d). | 2011-02-03 |
20110026763 | AUDIO VISUAL SIGNATURE, METHOD OF DERIVING A SIGNATURE, AND METHOD OF COMPARING AUDIO-VISUAL DATA - The invention relates to the analysis of characteristics of audio and/or video signalsforthe generation of audio-visual content signatures.To determine an audio signature a region of interest for example of high entropy —is identified in audio signature data. This region of interest is then provided as anaudio signaturewith offset information. A video signature is also provided. | 2011-02-03 |
20110026764 | DETECTION OF OBJECTS USING RANGE INFORMATION - A system and method for detecting objects and background in digital images using range information includes receiving the digital image representing a scene; identifying range information associated with the digital image and including distances of pixels in the scene from a known reference location; generating a cluster map based at least upon an analysis of the range information and the digital image, the cluster map grouping pixels of the digital image by their distances from a viewpoint; identifying objects in the digital image based at least upon an analysis of the cluster map and the digital image; and storing an indication of the identified objects in a processor-accessible memory system. | 2011-02-03 |
20110026765 | SYSTEMS AND METHODS FOR HAND GESTURE CONTROL OF AN ELECTRONIC DEVICE - Systems and methods of generating device commands based upon hand gesture commands are disclosed. An exemplary embodiment generates image information from a series of captured images, generates commands based upon hand gestures made by a user that emulate device commands generated by a remote control device, identifies a hand gesture made by the user from the received image information, determines a hand gesture command based upon the identified hand gesture, compares the determined hand gesture command with the plurality of predefined hand gesture commands to identify a corresponding matching hand gesture command from the plurality of predefined hand gesture commands, generates an emulated remote control device command based upon the identified matching hand gesture command, and controls the media device based upon the generated emulated remote control device command. | 2011-02-03 |
20110026766 | MOVING IMAGE EXTRACTING APPARATUS, PROGRAM AND MOVING IMAGE EXTRACTING METHOD - There is provided a moving image extracting apparatus including a movement detecting unit which detects movement of an imaging apparatus at the time when imaging a moving image based on the moving image imaged by the imaging apparatus, an object detecting unit which detects an object from the moving image, a salient object selecting unit which selects an object detected by the object detecting unit over a period of predetermined length or longer as a salient object within a segment in which movement of the imaging apparatus is detected by the movement detecting unit, and an extracting unit which extracts a segment including the salient object selected by the salient object selecting unit from the moving image. | 2011-02-03 |
20110026767 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - An apparatus stores a luminance signal and a color signal extracted from a tracking area in image data and determines a correlation with the stored luminance signal, thereby extracting an area where a specified object exists in another image data to update the tracking area using the position information of the extracted area. If a sufficient correlation cannot be obtained from the luminance signal, the apparatus makes a comparison with the stored color signal to determine whether the specified object is lost. The apparatus updates the luminance signal every time the tracking area is updated, but does not update the color signal even if the tracking area is updated or updates the color signal at a period longer than a period at which the luminance signal is updated. | 2011-02-03 |
20110026768 | Tracking a Spatial Target - Apparatuses and methods for tracking a dermatological feature are disclosed. One method includes establishing an imaging reference proximate to an identified dermatological feature, wherein the imaging reference has a known color spectrum and known physical dimensions. A digital image sequence is obtained containing one or more images of the identified dermatological feature and the imaging reference. At least one trait of the identified dermatological feature is estimated using the imaging reference and at least one image of the digital image sequence. | 2011-02-03 |
20110026769 | PRESENTATION DEVICE - A presentation device comprises an image capture portion for capturing an image of a subject and generating a raw image thereof; a detection portion adapted to analyze whether a first marker is present in the raw image, and if the first marker is present in the raw image, to detect an existing position of the first marker within the raw image; a storage portion for storing a positional relationship of a synthesis position at which a mask image for masking at least a portion of the raw image is synthesized with the raw image relative to the existing position of the first marker; a synthesized image generation portion adapted to determine the synthesis position according to the positional relationship with the detected existing position, and to synthesize the mask image at the determined synthesis position within the raw image to generate a synthesized image; and an output portion for outputting the synthesized image. | 2011-02-03 |
20110026770 | Person Following Using Histograms of Oriented Gradients - A method for using a remote vehicle having a stereo vision camera to detect, track, and follow a person, the method comprising: detecting a person using a video stream from the stereo vision camera and histogram of oriented gradient descriptors; estimating a distance from the remote vehicle to the person using depth data from the stereo vision camera; tracking a path of the person and estimating a heading of the person; and navigating the remote vehicle to an appropriate location relative to the person. | 2011-02-03 |
20110026771 | Obstacle determination system and method implemented through utilizing bird's-eye-view images - A technology of determining obstacles around a vehicle through utilizing bird's-eye-view images; wherein, a plurality of image fetching devices disposed in various positions of said vehicle fetch a plurality of images around said vehicle, said images of two adjacent regions contain at least an overlapped region; an image processor transforms said images into said respective independent bird's-eye-view images; and an obstacle detection unit compares said overlapped region in said independent bird's-eye-view images of two adjacent regions, so as to obtain their correlations, and existence of said obstacle is determined based on said correlations. Moreover, a correspondence table is set up containing a set of space transformation information based on vehicle driving condition information. Therefore, a surrounding bird's-eye-view image of an appropriate visual angle can be produced quickly and a position of said obstacle is marked on said surrounding bird's-eye-view image. | 2011-02-03 |
20110026772 | METHOD OF USING LASER SCANNED POINT CLOUDS TO CREATE SELECTIVE COMPRESSION MASKS - A method of processing camera data of a mobile mapping system is disclosed. In at least one embodiment, the method includes a) obtaining camera data from at least one camera of the mobile mapping system, b) detecting at least one region in the camera data, c) applying a compression technique on the camera data in a first region, and d) obtaining range sensor data from at least a first range sensor. The range sensor data may at least partially correspond to the camera data. Also, in at least one embodiment, b) includes using the range sensor data to identify the at least one region in the camera data. | 2011-02-03 |
20110026773 | IMAGE PROCESSING APPARATUS, INFORMATION PROCESSING SYSTEM, AND IMAGE PROCESSING METHOD - A technique is provided which can improve the precision of a matching point search with a plurality of images taking the same object where distant and near views coexist. A plurality of first images obtained by time-sequentially imaging an object from a first viewpoint, and a plurality of second images obtained by time-sequentially imaging the object from a second viewpoint, are obtained. Reference regions including a reference point are set respectively in the first images with the same arrangement, and comparison regions corresponding to the form of the reference regions are set respectively in the second images with the same arrangement. One reference distribution of pixel values about two-or-more-dimensional space is generated from the distributions of pixel values about the plurality of reference regions, and one comparison distribution of pixel values about two-or-more-dimensional space is generated from the distributions of pixel values about the plurality of comparison regions. Then, a matching point in the plurality of second images that corresponds to the reference point is detected by using the reference distribution of pixel values and the comparison distribution of pixel values. | 2011-02-03 |
20110026774 | CONTROLLING AN IMAGING APPARATUS OVER A DELAYED COMMUNICATION LINK - Method that includes: enabling the user to track a user-identified target on a currently presented image of periodically transmitted images from an imaging apparatus; calculating a distance between the estimated location of the user-identified target in view of the user's tracking and the estimated location of the pointing point of the imaging apparatus at said future time, wherein the estimation relate to a future time future time by which a command control currently transmitted by the user reaches the imaging apparatus; and calculating a command control required for s directing the pointing point of the imaging apparatus onto the user-identified target, based on said calculated distance, the estimated average velocity of the user-identified target and further based on all previous control commands that had been already transmitted by the user but have not yet affected the currently presented image due to the delay in the communication link. | 2011-02-03 |
20110026775 | METHOD FOR MEASUREMENT OF A FLOW IN AN OBJECT, ESPECIALLY A LUMEN OR A VESSEL - It is disclosed a method and a device for measurement of a flow in an object, especially a lumen or a vessel, comprising: generating a temporal sequence of images of the object; determining reliability maps, whereas a reliability map corresponds to an image of the object. Another exemplary embodiment is a method and a device for calculating flow parameters ( | 2011-02-03 |
20110026776 | Image Detecting Apparatus and Method Thereof - A method for detecting left-eye/right-eye images is capable of effectively and accurately detecting a sequence or positions of left-eye/right-eye image frames of a stereo image signal. The method includes performing block matching on a target block corresponding to two consecutive image frames of an image signal to determine a motion vector; and performing left-eye/right-eye image determination on a current image frame from the two consecutive image frames according to the motion vector. | 2011-02-03 |
20110026777 | Methods and Devices Involving Imagery and Gestures - A portable wireless device (e.g., a mobile phone) is moved or positioned by a user to signal user input. The device takes an action based on such gesture, where the action involves imagery captured by the device. A great variety of other features and arrangements are also detailed. | 2011-02-03 |
20110026778 | System and Method of Using Facial Recognition to Update a Personal Contact List - An electronic device has a memory that stores images of people and a contact list of personal contacts. Each personal contact is a record that identifies the contact information for a person, and a corresponding facial signature for the person. The facial signature identifies a unique facial pattern for that person. The device analyzes the facial features of the person in the image and extracts selected facial features for comparison to the facial signatures in the contact list. Based on the results of the comparison, the device will link the image to the contact information. | 2011-02-03 |
20110026779 | SYSTEMS AND METHODS FOR ANALYZING FACIAL EXPRESSIONS, IDENTIFYING INTENT AND TRANSFORMING IMAGES THROUGH REVIEW OF FACIAL EXPRESSIONS - Methods of analyzing a plurality of facial expressions are disclosed that include: identifying a subject person, utilizing the subject person to create an image of a known target, removing at least one distracter expression from the target image to form a revised target image, and reviewing the revised target image with at least one third party participant to form a final target image. Additional methods of analyzing a plurality of facial expressions include: identifying a subject person, utilizing the subject person to create an image of a known target, digitizing the target image, removing at least one distracter expression from the target image to transform the target image to a revised target image, and reviewing the revised target image with at least one third party participant to transform the revised target image to a final target image. Software for implementing contemplated methods include: a set speed function, a pre-test phase function, an instruction phase function, a practice phase function, and a post-test phase function. | 2011-02-03 |
20110026780 | FACE TRACKING FOR CONTROLLING IMAGING PARAMETERS - A method of tracking faces in an image stream with a digital image acquisition device includes receiving images from an image stream including faces, calculating corresponding integral images, and applying different subsets of face detection rectangles to the integral images to provide sets of candidate regions. The different subsets include candidate face regions of different sizes and/or locations within the images. The different candidate face regions from different images of the image stream are each tracked. | 2011-02-03 |
20110026781 | SYSTEM FOR SECURE FACE IDENTIFICATION (SCIFI) AND METHODS USEFUL IN CONJUNCTION THEREWITH - A method for privacy-retaining face identification comprising dividing at least one input face into a first set of patches, providing an assortment of patch profiles for each patch in the first set of patches, each patch profile in the assortment being associated with a unique index thereby to define an assortment of unique indices, for each individual patch in the input face, finding at least one patch profile within the assortment of patch profiles which most resembles the individual patch, thereby to define a first set of indices from among the assortment of unique indices whose corresponding patch profiles most resemble the input face's patches respectively, and using a privacy preserving computation to generate a physical output indicative of a comparison of the input face and at least one target face by comparing first and second functions of the first set of indices and of a second set of indices respectively, the second set of indices corresponding to patch profiles which most resemble a second set of patches into which the target face has been divided. | 2011-02-03 |
20110026782 | PERSON RECOGNITION METHOD AND APPARATUS - Subtracting the date of taking a registrant's face image from the date of taking a photographic image of a person to be recognized, the number of elapsed years Y of the registrant's face image is calculated. If Y<5, an unsophisticated image comparator is selected. If 5≦Y<10, a first face parts comparator is selected to calculate the degree of resemblance between the photographic image and the registrant's face image more precisely than the unsophisticated image comparator. If 10≦Y, a second face parts comparator is selected. If the face image is a child's, the second face parts comparator compares the photographic image not only with the child's face image but also with his/her cognate's face image. After the photographic image is compared with every registrant's face image, the personal data of the top four registrants having the highest degree of resemblance is displayed on an LCD. | 2011-02-03 |
20110026783 | PERSONAL AUTHENTICATION METHOD USING SUBCUTANEOUS BLOODSTREAM MEASUREMENT AND PERSONAL AUTHENTICATION DEVICE - In a personal authentication method using the subcutaneous bloodstream measurement where an expanded laser beam is irradiated onto a finger pad, light reflected from a subcutaneous blood vessel layer is imaged on an image sensor as a laser speckle using an optical system, a quantity that represents the rate of change with respect to time of the amount of light received for each pixel of the laser speckle is calculated, the values are used as a two-dimensional map to obtain a map showing the bloodstream of the finger pad, and the bloodstream map is comparison-checked against pre-registered data of individuals, the laser speckle is imaged on the image sensor using a region separate from a region irradiated by the laser beam as an observation region of the image sensor. A device for use in the method is also provided. Relating to a method and device for authentication using, e.g., a finger print pattern on the basis of the laser speckle, an improved technique capable of extracting, e.g., the finger print pattern accurately is provided. | 2011-02-03 |
20110026784 | Systems And Methods For Determining Physiological Information Using Selective Transform Data - According to embodiments, a pulse band region is identified in a wavelet scalogram of a physiological signal (e.g., a plethysmograph or photoplethysmograph signal). Components of the scalogram at scales larger than the identified pulse band region are then used to determine a baseline signal in wavelet space. The baseline signal may then be used to normalize the physiological signal. Physiological information may be determined from the normalized signal. For example, oxygen saturation may be determined using a ratio of ratios or any other suitable technique. | 2011-02-03 |
20110026785 | Method of Segmenting Anatomic Entities in Digital Medical Images - For each of a number of landmarks in an image an initial position of the landmark is defined. Next a neighborhood around the initial position, comprising a number of candidate locations of the landmark is sampled and a cost is associated with each of the candidate locations. A cost function expressing a weighted sum of overall gray level cost and overall shape cost for all candidate locations is optimized. A segmented anatomic entity is defined as a path through a selected combination of candidate locations for which combination the cost function is optimized. | 2011-02-03 |
20110026786 | METHOD AND SYSTEM FOR FACILITATING AN IMAGE GUIDED MEDICAL PROCEDURE - A method for facilitating an image guided medical procedure, utilizing images relating to the procedure, wherein the method includes performing a planning stage, including: obtaining a plurality of pre-procedural images, registering and fusing together the plurality of pre-procedural images, and extracting entities, or data objects, based on the pre-procedural images; performing an intervention stage, including: obtaining intra-procedural images, registering and fusing the pre-procedural and intra-procedural images, registering and fusing the entities with the intra-procedural images, and segmenting selected ones of the entities, based on the intra-procedural images; and performing an assessment stage, including: obtaining post-procedural images, registering and fusing the pre-procedural, the intra-procedural, and the post-procedural images, registering and fusing the entities with the post-procedural images, segmenting selected ones of the entities based on the post-procedural images. Supporting the planning, intervention, and assessment stages of the procedure is via a unified workflow and user interface. | 2011-02-03 |
20110026787 | METHOD FOR DEALING WITH SINGULARITIES IN GRAVITY REFERENCED ENDOSCOPIC IMAGING - A method for avoiding rapid or sudden image rotation or reversal in a gravity leveled endoscopic imaging system is disclosed. A mathematical neighborhood of a singular viewing configuration is defined and within this neighborhood the endoscopic image orientation follows specified rules. | 2011-02-03 |
20110026788 | METHOD AND DEVICE FOR THE SEGMENTATION OF A LESION - In a method and a device for the segmentation of a lesion, a quantity of candidate regions for the lesion is determined proceeding from a starting region by means of a candidate unit. The candidate regions are arranged substantially concentrically to the starting region. A candidate region closest to the lesion is selected automatically by means of a selection unit or manually by means of a correction unit from the quantity of candidate regions. The selected candidate region is a reliable and robust basis for a classification of the lesion. | 2011-02-03 |
20110026789 | RETINAL IMAGE ANALYSIS SYSTEMS AND METHODS - A platform is proposed for automated analysis of retinal images, for obtaining from them information characterizing retinal blood vessels which may be useful in forming a diagnosis of a medical condition. A first aspect of the invention proposes that a plurality of characteristics of the retina are extracted, in order to provide data which is useful for enabling an evaluation of cardiovascular risk prediction, or even diagnosis of a cardiovascular condition. A second aspect uses fractal analysis of retinal images to provide vascular disease risk prediction, such as, but not limited to, diabetes and hypertension. | 2011-02-03 |
20110026790 | System for Performing Coronary Digital Subtraction Angiography (DSA) - An image data subtraction system receives an electrical signal representing a heart cycle electrical waveform during multiple heart cycles and acquires data representing a first image set comprising multiple temporally sequential individual mask images of vessels of a portion of patient anatomy during the multiple heart cycles in the absence of a contrast agent. The system acquires data representing a second image set comprising a multiple temporally sequential individual contrast enhanced images of vessels of the portion of patient anatomy during the multiple heart cycles in the presence of a contrast agent. An image data processor automatically uses the electrical signal to identify temporally corresponding pairs of images comprising a mask image and a contrast enhanced image acquired substantially at a same point within a heart cycle. The image data processor, for the corresponding pairs, automatically subtracts data representing a mask image of a corresponding pair from a contrast enhanced image of the corresponding pair, to provide subtracted images. | 2011-02-03 |
20110026791 | SYSTEMS, COMPUTER-READABLE MEDIA, AND METHODS FOR CLASSIFYING AND DISPLAYING BREAST DENSITY - Systems, computer-readable media, methods, and a medical imaging system are presented that compute and output a density estimate of a breast. The density estimate may be computed using information from at least two digital images, wherein each image represents a view of at least a portion of the breast from a different specific angle. The density estimate may be computed using information from at least one digital breast image and at least one digital opposite breast image, wherein the at least one digital breast image represents a view of at least a portion of the breast from a specific angle and wherein the at least one digital opposite breast image represents a view of at least a portion of the opposite breast. The density estimate may be computed using computed parenchyma information, the parenchyma information being computed using texture information and density information derived from at least one digital image of at least a portion of the breast. The density estimate may be computed using computed parenchyma information, the parenchyma information being computed from at least one digital image using computed vessel line information, the computed vessel line information being computed from the at least one digital image. | 2011-02-03 |
20110026792 | Method of Enhancing the Contrast of an Image - A method of generating a multiscale contrast enhanced image is described wherein the shape of edge transitions is preserved. Detail images are subjected to a conversion, the conversion function of at least one scale being adjusted for each detail pixel value according to the ratio between the combination of the enhanced center differences and the combination of the unenhanced center differences. Several adaptive enhancement measures are described. | 2011-02-03 |
20110026793 | AUTOMATED CENTERLINE EXTRACTION METHOD AND GENERATION OF CORRESPONDING ANALYTICAL EXPRESSION AND USE THEREOF - A computer implemented method ( | 2011-02-03 |
20110026794 | Deformable 2D-3D Registration of Structure - A method for performing deformable non-rigid registration of 2D and 3D images of a vascular structure for assistance in surgical intervention includes acquiring 3D image data. An abdominal aorta is segmented from the 3D image data using graph-cut based segmentation to produce a segmentation mask. Centerlines are generated from the segmentation mask using a sequential topological thinning process. 3D graphs are generated from the centerlines. 2D image data is acquired. The 2D image data is segmented to produce a distance map. An energy function is defined based on the 3D graphs and the distance map. The energy function is minimized to perform non-rigid registration between the 3D image data and the 2D image data. The registration may be optimized. | 2011-02-03 |
20110026795 | METHOD AND IMAGE-PROCESSING SYSTEM FOR GENERATING A VOLUME-VIEWING IMAGE OF THE INTERIOR OF A BODY - A method for generating a volume-viewing image on the basis of three-dimensional image data of the interior of a body generated by way of a medical imaging system is described. In at least one embodiment, a plurality of different functional structures of the body are first of all segmented in the three-dimensional image data. Moreover, structure selection data for fixing functional structures to be visualized is determined. Then, at least one volume-viewing image is generated from the three-dimensional image data on the basis of the segmented functional structures and the structure selection data and the image is output. Moreover, in at least one embodiment, an image-processing system to carry out at least one embodiment of the method is described. | 2011-02-03 |
20110026796 | SENSOR COORDINATE CALIBRATION IN AN ULTRASOUND SYSTEM - There is disclosed an embodiment for performing a calibration of a sensor by using an image registration between a three-dimensional ultrasound image and computerized tomography (CT) image. An ultrasound image forming unit includes an ultrasound probe and forms a three-dimensional ultrasound image of a target object. A sensor is coupled to the ultrasound probe. A memory stores a three-dimensional computed tomography (CT) image of the target object and position information on a position between the three-dimensional ultrasound image and the sensor. A processor performs image registration between the three-dimensional CT image and the three-dimensional ultrasound image to form a first transformation function for transforming a position of the sensor to a corresponding position on the three-dimensional CT image and performs calibration of the sensor by applying the position information to the first transformation function. | 2011-02-03 |
20110026797 | METHODS OF ANALYZING A SELECTED REGION OF INTEREST IN MEDICAL IMAGE DATA - In methods and an apparatus for analyzing a selected region of interest in medical image data of a subject, an initial image data set is obtained, and the initial image data set is filtered to generate a filtered data set. The filtering includes computing, for each voxel of the initial image data set, a value of intensity for a standardized volume of interest centered on that voxel. A user selection of a region of interest in the initial image data set is registered, and from the filtered image data set a value of intensity for the selected region of interest is computed. | 2011-02-03 |
20110026798 | SYSTEM AND METHOD FOR AUTOMATED SEGMENTATION, CHARACTERIZATION, AND CLASSIFICATION OF POSSIBLY MALIGNANT LESIONS AND STRATIFICATION OF MALIGNANT TUMORS - A method and apparatus for classifying possibly malignant lesions from sets of DCE-MRI images includes receiving a set of MRI slice images obtained at respectively different times, where each slice image includes voxels representative of at least one region of interest (ROI). The images are processed to determine the boundaries of the ROIs and the voxels within the identified boundaries in corresponding regions of the images from each time period are processed to extract kinetic texture features. The kinetic texture features are then used in a classification process which classifies the ROIs as malignant or benign. The malignant lesions are further classified to separate TN lesions from non-TN lesions. | 2011-02-03 |
20110026799 | FLIP ANGLE IMAGING WITH IMPROVED B1 MAPPING FOR MULTI-RF TRANSMIT SYSTEMS - A magnetic resonance method includes performing a plurality of magnetic resonance excitation operations each using a different sub-set of a set of radio frequency transmit coils ( | 2011-02-03 |
20110026800 | ULTRASONIC DIAGNOSTIC APPARATUS. - There is provided an ultrasonic diagnostic apparatus that can classify an elasticity image by using elasticity data of the elasticity image and image information and objectively estimate a progress state of a disorder. The ultrasonic diagnostic apparatus has an elasticity information calculator for calculating elasticity data of a biomedical tissue by using RF signal frame data from the inside of an object which is received by ultrasonic wave transmitting/receiving means, an elasticity image constructing unit for generating an elasticity image on the basis of a distortion amount and/or an elasticity modulus calculated by an elasticity information calculator, an elasticity image estimating unit | 2011-02-03 |
20110026801 | MAGNETIC RESONANCE IMAGING APPARATUS, RECEIVING COIL AND METHOD OF MANUFACTURING THE COIL - A magnetic resonance imaging apparatus is provided, characterized by: one pair of static magnetic field generating means disposed sandwiching a space in which a test object is placed; magnetic field generating means configured to apply a high-frequency magnetic field and a gradient magnetic field to the test object placed in the static magnetic field; and receiving means configured to receive a nuclear magnetic resonance signal generated from the test object, and characterized in that: the receiving means includes a receiving coil having a predetermined coil pattern and capable of being shaped into a cylinder; the receiving coil includes flexible parts and rigid parts alternately disposed along the circumference direction when shaped into the cylinder; and the flexible parts include a flexible substrate on which a portion of the predetermined coil pattern is mounted and a air-bubbles-containing resin section for covering the both surfaces of the flexible substrate. | 2011-02-03 |
20110026802 | Analysis Method for Regional Image - An analysis method for a regional image is disclosed for an image datum from a C-arm device. The analysis method includes: providing an indication module, reading the image datum, selecting a plurality of ROIs (Regions of Interest), calculating an average brightness of each of the ROIs, searching every of the steel ball image data, comparing each of the steel ball image data and analyzing each of the steel ball image data. By individually analyzing the regional image datum, the brighter or darker image signal can be excluded so that it can improve precision during searching the steel ball image data. Moreover, it is also more effective for comparing an image profile of the steel ball image datum with a real profile of the steel ball of the indication module. Thus, the steel ball image can be readily defined by its correspondence with the steel ball of the indication module. | 2011-02-03 |
20110026803 | METHODS AND SYSTEMS FOR DIGITALLY ENHANCING AN IMAGE OF A STAINED MATERIAL - Methods and systems for digitally enhancing an initial image of a material to which a plurality of stains were previously applied, that generally comprise: unmixing the image into a plurality of individual reconstructed images, each individual image corresponding to one of the stains; estimating a residual image corresponding to the difference between the original image and the reconstructed images; adjusting one or more components of the individual images; mixing the adjusted components using one or more estimated mixing coefficients; and adding the residual image to the mixed adjusted components to generate an enhanced image. | 2011-02-03 |
20110026804 | Detection of Textural Defects Using a One Class Support Vector Machine - Method for detecting textural defects in an image. The image, which may have an irregular visual texture, may be received. The image may be decomposed into a plurality of subbands. The image may be portioned into a plurality of partitions. A plurality of grey-level co-occurrence matrices (GLCMs) may be determined for each partition. A plurality of second-order statistical attributes may be extracted for each GLCM. A feature vector may be constructed for each partition, where the feature vector includes the second order statistical attributes for each GLCM for the partition. Each partition may be classified based on the feature vector for the respective partition. Classification of the partitions may utilize a one-class support vector machine, and may determine if a defect is present in the image. | 2011-02-03 |
20110026805 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - An image processing apparatus includes: an image extracting section that extracts a template image from blade images which form a streaming video obtained by capturing blades periodically arrayed in a jet engine; an image comparing section that compares the blade images with the template image; an image selecting section that selects an image as a record image from the blade images based on a result of the image comparison of the image comparing section; and a display section that displays the surface shape of the blade calculated based on the record image. | 2011-02-03 |
20110026806 | Detecting Chip Alterations with Light Emission - An emission map of a circuit to be tested for alterations is obtained by measuring the physical circuit to be tested. An emission map of a reference circuit is obtained by measuring a physical reference circuit or by simulating the emissions expected from the reference circuit. The emission map of the circuit to be tested is compared with the emission map of the reference circuit, to determine presence of alterations in the circuit to be tested, as compared to the reference circuit. | 2011-02-03 |
20110026807 | ADJUSTING PERSPECTIVE AND DISPARITY IN STEREOSCOPIC IMAGE PAIRS - A system and method for adjusting perspective and disparity in a stereoscopic image pair using range information includes receiving the stereoscopic image pair representing a scene; identifying range information associated with the stereoscopic image pair and including distances of pixels in the scene from a reference location; generating a cluster map based at least upon an analysis of the range information and the stereoscopic images, the cluster map grouping pixels of the stereoscopic images by their distances from a viewpoint; identifying objects and background in the stereoscopic images based at least upon an analysis of the cluster map and the stereoscopic images; generating a new stereoscopic image pair at least by adjusting perspective and disparity of the object and the background in the stereoscopic image pair, the adjusting occurring based at least upon an analysis of the range information; and storing the new generated stereoscopic image pair in a processor-accessible memory system. | 2011-02-03 |
20110026808 | APPARATUS, METHOD AND COMPUTER-READABLE MEDIUM GENERATING DEPTH MAP - Disclosed are an apparatus, a method and a computer-readable medium automatically generating a depth map corresponding to each two-dimensional (2D) image in a video. The apparatus includes an image acquiring unit to acquire a plurality of 2D images that are temporally consecutive in an input video, a saliency map generator to generate at least one saliency map corresponding to a current 2D image among the plurality of 2D images based on a Human Visual Perception (HVP) model, a saliency-based depth map generator, a three-dimensional (3D) structure matching unit to calculate matching scores between the current 2D image and a plurality of 3D typical structures that are stored in advance, and to determine a 3D typical structure having a highest matching score among the plurality of 3D typical structures to be a 3D structure of the current 2D image, a matching-based depth map generator; a combined depth map generator to combine the saliency-based depth map and the matching-based depth map and to generate a combined depth map, and a spatial and temporal smoothing unit to spatially and temporally smooth the combined depth map. | 2011-02-03 |
20110026809 | Fast multi-view three-dimensional image synthesis apparatus and method - A fast multi-view three-dimensional image synthesis apparatus includes: a disparity map generation module for generating a left image disparity map by using left and right image pixel data; intermediate-view generation modules for generating intermediate-view pixel data from different view points by using the left and right image pixel data and the left image disparity map; and a multi-view three-dimensional image generation module for generating multi-view three-dimensional image pixel data by using the left image pixel data, the right image pixel data and intermediate-view pixel data. Each of the intermediate-view generation module includes: a right image disparity map generation unit for generating a rough right image disparity map; an occluded region compensation unit for generating a right image disparity map by removing occluded regions from the rough right image disparity map; and an intermediate-view generation unit for generating the intermediate-view pixel data from the different view points. | 2011-02-03 |
20110026810 | IMAGE ANALYZING APPARATUS, IMAGE ANALYZING METHOD, AND COMPUTER READABLE MEDIUM - Provided is an image analyzing apparatus for efficiently performing detection of an object and tracking of a specified object, including a feature value recording section that records a plurality of reference feature values different in type from each other; a feature value extracting section that extracts a plurality of feature values different in type from each other, from each of a plurality of moving image constituent images included in a moving image; an object extracting section that extracts an object from the moving image constituent images, based on a degree of matching of the plurality of extracted feature values with respect to the plurality of reference feature values recorded in the feature value recording section; a reference feature value calculating section that calculates, from the plurality of reference feature values recorded in the feature value recording section, a plurality of reference feature values adjusted to the feature values of the extracted object, to a predetermined degree corresponding to the type; and a feature value updating section that updates the plurality of reference feature values recorded in the feature value recording section, with the plurality of reference feature values calculated by the reference feature value calculating section. | 2011-02-03 |
20110026811 | IMAGE PROCESSING APPARATUS AND METHOD, DATA PROCESSING APPARATUS AND METHOD, AND PROGRAM AND RECORDING MEDIUM - The image processing apparatus and method, and the program and the recording medium according to the present invention can make the coefficient vector into high precision by noise elimination or correction utilizing the mutual correlation of the divided image areas in the intermediate eigenspace, and allows relaxation of the input condition and robustness. The high correlation in the divided image areas in the intermediate eigenspace can reduce the divided image areas to be processed, and actualize reduction in processing load and enhancement of the processing speed. | 2011-02-03 |