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BANDWIDTH REDUCTION SYSTEM

Subclass of:

348 - Television

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Class / Patent application numberDescriptionNumber of patent applications / Date published
348384100BANDWIDTH REDUCTION SYSTEM82
20100007785VSB TRANSMISSION SYSTEM - A vestigial sideband (VSB) modulation transmission system and a method for encoding an input signal in the system are disclosed. According to the present invention, the VSB transmission system includes a convolutional encoder for encoding an input signal, a trellis-coded modulation (TCM) encoder for encoding the convolutionally encoded signal, and a signal mapper mapping the trellis-coded signal to generate a corresponding output signal. Different types of the convolutional encoders are explored, and the experimental results showing the performances of the VSB systems incorporating each type of encoders reveals that a reliable data transmission can be achieved even at a lower input signal to noise ratio when a convolutional encoder is used as an error-correcting encoder in a VSB system.01-14-2010
20090009659IMAGE CAPTURING APPARATUS AND METHOD - The present invention relates to an image capturing apparatus and method in which the image recording time is reduced and the memory capacity required for compression is also reduced. A number-of-bytes calculation unit 01-08-2009
20130120650ADAPTIVE PAL FIELD COMBER - A video decoder includes an adaptive comber to generate a combed video image, and the adaptive comber selectively combs using 2D combing, frame combing, and field combing.05-16-2013
20100238347Video compression system - A video compression system is disclosed that is optimized to take advantage of the types of redundancies typically occurring on computer screens and the types of video loss acceptable to real time interactive computer users. It automatically adapts to a wide variety of changing network bandwidth conditions and can accommodate any video resolution and an unlimited number of colors. The disclosed video compression encoder can be implemented with either hardware or software and it compresses the source video into a series of data packets that are a fixed length of 8 bits or more. Sequences of one or more of these packets create unique encoding “commands” that can be sent over any network and easily decoded (decompressed) with either software or hardware. The commands include 3 dimensional copying (horizontal, vertical and time) and unique efficiencies for screen segments that are comprised of only two colors (such as text). Embodiments are also disclosed that improve the video compression depending on the popularity of pixel colors.09-23-2010
20110216239REDUCING END-TO-END LATENCY FOR COMMUNICATING INFORMATION FROM A USER DEVICE TO A RECEIVING DEVICE VIA TELEVISION WHITE SPACE - A system transmits human interface data (HID) as ancillary data to a television receiver over white space. Content on a user mobile device may be wirelessly displayed on an external display device. It may be desirable to have user interactions with the mobile device (such as controls for video games) displayed on the external display device in a manner that does not suffer from the latency of standard video being set to the display device. The HID may be captured and processed separately from the video data. The HID may be formed into a transport stream for transmission over white space. The HID may be included as ancillary data in the transport stream. Timestamps may be used to coordinate the transmission of the HID as well as its processing when received by a television receiver.09-08-2011
20090033791VIDEO PROCESSING SYSTEMS AND METHODS - Video processing systems and methods are disclosed. One system embodiment, among others, includes a video compression engine configured to provide reconstructed pictures corresponding to a real-time presentation of a video program and a compressed version of the real-time presentation, a display buffer of the video compression engine, the display buffer configured to store the reconstructed pictures, and a persistent storage device, wherein the video compression engine is further configured to store the compressed version of the real-time presentation to the persistent storage device while simultaneously providing the real-time presentation of the video program.02-05-2009
20120105715DISPLAY APPARATUS AND METHOD FOR INFORMING NEXT PROGRAM OF BROADCASTING CHANNEL USING THE SAME - The present invention relates to an displaying apparatus comprising: a signal converting unit demodulating a digital signal generated by a tuner and encodes an analog signal decoded by the tuner; a decoding unit decoding the demodulated digital signal or the encoded analog signal to generate an image signal or a voice signal; a storing unit storing the image signal or the voice signal; a broadcast program processing unit providing information of a next program using the image signal or the voice signal while a current program is broadcasted; a controlling unit controlling the decoding unit and the broadcast program processing unit; and a displaying unit displaying information of the next program on broadcasting the current program under the control of the controlling unit.05-03-2012
20110128437IMAGE SIGNAL PROCESSING APPARATUS FOR DETACHING A PLURALITY OF MODULES AND CONTROL METHOD THEREOF - Provided are an image signal processing apparatus and a controlling method thereof. The image signal processing apparatus includes a signal decoder, an image signal processor, a display, a controller, a memory, and a power interface. The signal decoder decodes input signals, and the image signal processor processes signals decoded by the signal decoder so that they are outputable. The display outputs the signals processed by the image signal processor, and the controller allows a list of modules recognized by the connector to be displayed, and controls driving of the module selected by a user. The memory stores a program transmitted from the selected module, and the power interface supplies power to the module.06-02-2011
20120127363Antenna System with Individually Addressable Elements in Dense Array - A method and system for capturing, storing, and streaming over the air broadcasts based on user requests is disclosed. The system and method utilize subarrays of antenna elements for receiving over the air broadcasts. Processing pipelines are used to demodulate, transcode and index the content transmissions to produce content data that are streamed to users. In this way, the feeds from antennas can be accessed by users over a network connection.05-24-2012
20110128438COLOR SIGNAL CONVERTING APPARATUS, VIDEO DISPLAYING APPARATUS, COLOR SIGNAL CONVERTING METHOD, VIDEO DISPLAYING METHOD AND IMAGE DATA - The first color gamut conversion unit 06-02-2011
20110085077CONTENT REPRODUCTION DEVICE - A content reproduction device has a television broadcast reception function and an Internet connection function, and includes a detection unit and a reproduction-output switching unit. The detection unit detects, when a content of a television broadcast is output for reproduction, a content which is the same as the content of the television broadcast and has a resolution higher than a resolution of the content of the television broadcast from among contents available via an Internet. The reproduction-output switching unit switches a content of the output for reproduction from the content of the television broadcast to the content detected by the detection unit if the detection by the detection unit is successful.04-14-2011
20110176054Image transmission system - The present invention is directed to enabling image display at a high resolution according to connection of an external device 07-21-2011
20110096225METHOD AND SYSTEM FOR ALTERING THE PRESENTATION OF BROADCAST CONTENT - A method and system for altering a presentation of broadcast content is disclosed. Embodiments provide an accurate and efficient mechanism for suppressing advertisements by using downloaded templates to identify advertisements before suppression for a duration indicated by information downloaded about the advertisement, where the suppression is effectuated by controlling a display or set-top box using remote-control functionality. In one embodiment, a digital signal comprising broadcast content is accessed. A plurality of templates are received and stored, wherein each template represents a known portion of the broadcast content. The digital signal is then compared against a portion of the plurality of stored templates. Upon a match, a control signal operable to alter a component of a presentation of the known portion of the broadcast content is generated.04-28-2011
20100110285DISPLAY SYSTEM, IMAGE OUTPUT DEVICE AND IMAGE DISPLAY DEVICE - A display system includes: an image data output device which outputs image data; an image display device which displays an image corresponding to the image data; and a control device which controls the image data output device; wherein one of the control device and the image data output device has a compression rate setting unit which determines whether the image corresponding to the image data is a natural image or not and sets a compression rate for the image in accordance with a type of the image; and the image data output device has an image data output unit which outputs a compressed image data acquired by compressing the image data at the compression rate set by the compression rate setting unit.05-06-2010
20110187923VIRTUAL CHANNEL TABLE FOR A BROADCAST PROTOCOL AND METHOD OF BRAODCASTING AND RECEIVING BROADCAST SIGNALS USING THE SAME - A virtual channel table for broadcasting protocol and a method for broadcasting by using the virtual channel table includes identification information identifying and permitting discrimination of active and inactive channels contained in the virtual channel table. At a receiver, the virtual channel table transmitted from the transmitting side is parsed, thereby determining whether the current received channel is an active or inactive channel.08-04-2011
20120314127PROVISIONING NETWORK RESOURCES RESPONSIVE TO VIDEO REQUIREMENTS OF USER EQUIPMENT NODES - A method of controlling video from/to a User Equipment node (UE) through a network includes receiving a video mode request for transporting video from/to the UE through the network. Video requirements associated with the video mode request are identified. Network resources that need to be provisioned responsive to the identified video requirements are identified. The availability of network resources is determined An instruction is communicated to a policy charging and rules function (PCRF) node to provision network resources to transport video from/to the UE through the network responsive to the availability of network resources and the identified network resources that need to be provisioned. Related systems, network nodes, and UEs are disclosed.12-13-2012
20110102670AUDIO VIDEO RECORDING DEVICE - The present invention provides an audio video recording device which can easily post video contents on a video-sharing website without editing the video data to be posted. The audio video data recording device for recording audio and video data includes: a camera unit to which a captured moving image is inputted; a high-quality coding unit for compressing the moving image captured by the camera unit with a high image quality; a high-quality data storage unit for recording therein data of the compressed moving image outputted from the high-quality coding unit; a low-quality coding controller for starting or suspending a low-quality recording process during the high-quality recording process; a low-quality coding unit for compressing the moving image captured by the camera unit with a low image quality in accordance with an instruction by the low-quality coding controller; a low-quality data storage unit for recording therein data of the compressed moving image outputted from the low-quality coding unit; and a communication unit for transferring the moving image data recorded in the low-quality data storage unit to a different apparatus.05-05-2011
20110157463BROADCASTING RECEIVER AND METHOD OF PROVIDING BACKGROUND CHANNEL EPG - The present invention relates to a broadcasting receiver and a method for providing a background channel EPG and comprises a first tuner that selects a channel chosen by a user; a second tuner that receives channels other than the channel tuned with said first tuner; a data parser that collects data broadcast signals from among the broadcast signals of the channels received at said second tuner; an image processor that processes said collected data broadcast signals to convert these into image data; a storage part that stores said converted image data; and a display part that displays the broadcast program information for the channels that are received via said second tuner, wherein said stored image data has been inserted into a channel screen selected via said first tuner. Thus, in the present invention, two tuners are used to capture the ACAP image of a background channel and insert it into the EPG program image of the background channel so that other channel information is converted into an image and provided to a user. In addition, the EPG program image of the present invention is generated by obtaining location information from the file system structure of broadcast program contents that represent an object unit and by capturing video data so that it can be shifted to the program of an applicable background channel and displayed when the EPG program image is executed. Also, the present invention provides detailed program information for the selected channel by extracting image data from a data broadcast signal and inserting it into the EPG as an image block for a selected channel.06-30-2011
348385100 Plural video programs in single channel 5
20090219437MIXING OF VIDEO CONTENT - A method and apparatus for mixing first and second video content portions is described. The method may comprise overlapping at least one frame of a first content portion comprising multiple frames with at least one frame of a second content portion comprising multiple frames to produce a composite video content. At least one reference frame comprising a frame of the first or second content portion prior to the overlapping may be designated. The composite video content and the reference frame may then be transmitted, for example, to a client device. The client device may use the reference frame to at least reduce an effect of the overlapping.09-03-2009
20130113989VIDEO PROCESSING APPARATUS AND METHOD FOR SIMULTANEOUSLY DISPLAYING A PLURALITY OF VIDEO SIGNALS ON DISPLAY DEVICE - A video processing apparatus includes decoding circuit, setting circuit, processing circuit, first buffer, second buffer, and display unit. The decoding circuit generates a plurality of decoded video signals. The setting circuit selects a main decoded video signal and at least one sub-decoded video signal from the decoded video signals. The processing circuit processes main decoded video signal and sub-decoded video signal(s) to generate a processed video signal. Each of these two buffers serves as on-screen buffer for storing the processed video signal being displayed or to be displayed and serves as on-process buffer for storing the processed video signal being mixed or to be mixed, cyclically. The first and second buffers do not serve as on-screen buffer simultaneously, and the first and second buffers do not serve as on-process buffer simultaneously. The display unit cyclically displays the processed video signal read from first buffer and second buffer.05-09-2013
20100026884METHOD AND APPARATUS FOR DECODING/ENCODING A VIDEO SIGNAL - The method includes the steps of receiving the multi-view video data stream including a random access picture including a random access slice, the random access slice referencing only slice corresponding to a same time and a different view of the random access picture; obtaining random access flag for inter-view prediction, the random access flag indicating whether a type of picture is the random access picture; obtaining initialization information of a reference picture list for the random access slice based on the random access flag, the initialization information representing a reference relation between a plurality of views with view number information and view identification information; initializing the reference picture list of the random access slice using the view number information and the view identification information; determining a prediction value of a macroblock in the random access picture based on the initialized reference picture list; and decoding the macroblock using the prediction value, wherein the initialization information is obtained based on a value indicating decoding order between the plurality of views.02-04-2010
20100026883Method and Apparatus for Decoding/Encoding a Video Signal - The method includes the steps of receiving the multi-view video data stream including a random access picture including a random access slice, the random access slice referencing only slice corresponding to a same time and a different view of the random access picture; obtaining random access flag for inter-view prediction, the random access flag indicating whether a type of picture is the random access picture; obtaining initialization information of a reference picture list for the random access slice based on the random access flag, the initialization information representing a reference relation between a plurality of views with view number information and view identification information; initializing the reference picture list of the random access slice using the view number information and the view identification information; determining a prediction value of a macroblock in the random access picture based on the initialized reference picture list; and decoding the macroblock using the prediction value, wherein the initialization information is obtained based on a value indicating decoding order between the plurality of views.02-04-2010
20100026882Method and Apparatus for Decoding/Encoding a Video Signal - The method includes the steps of receiving the multi-view video data stream including a random access picture including a random access slice, the random access slice referencing only slice corresponding to a same time and a different view of the random access picture; obtaining random access flag for inter-view prediction, the random access flag indicating whether a type of picture is the random access picture; obtaining initialization information of a reference picture list for the random access slice based on the random access flag, the initialization information representing a reference relation between a plurality of views with view number information and view identification information; initializing the reference picture list of the random access slice using the view number information and the view identification information; determining a prediction value of a macroblock in the random access picture based on the initialized reference picture list; and decoding the macroblock using the prediction value, wherein the initialization information is obtained based on a value indicating decoding order between the plurality of views.02-04-2010
348388100 Multiple channel (e.g., plural carrier) 4
20110249177METHOD, APPARATUS AND SYSTEM FOR IMPLEMENTING MOSAIC TV SERVICE - A method, an apparatus and a system for implementing a mosaic TV service are provided in embodiments of the present invention. The application relates to the field of TV technologies, and solves the problem in the prior art that the operability about each small video previewing image is poor. At a front end, a video stream of a TV program of each channel is zoomed out in proportion, to obtain a small video stream corresponding to the TV program of each channel. All the small video streams are multiplexed into at least one mosaic TV service stream to be transmitted to a terminal. The at least one mosaic TV service stream delivered from the front end is obtained at the terminal, from which at least one small video stream is demultiplexed. An image of the small video stream is adjusted to a preset size, and the adjusted small video stream image is displayed.10-13-2011
20120002103METHOD AND APPARATUS FOR PROVIDING QUALITY OF SERVICE FOR WIRELESS VIDEO TRANSMISSION USING MULTI-BAND OPERATION - A system implementing a method for multi-band wireless communication packetizes a block of source video information into a first packet, and packetizes the block of source video information into a second packet corresponding to the first packet, wherein the first packet and the second packet include corresponding video information. The first packet and the second packet are transmitted from a transmitting multi-band wireless station comprising a first radio for communication over a first wireless band, and a second radio for communication over a second wireless band. The first packet is transmitted over the first wireless band and the second packet is transmitted over the second wireless band. The first wireless band operates at a higher transmission rate than the second wireless band. A multi-band receiving wireless station reconstructs the source video based on packets arriving on different bands.01-05-2012
20120249869STATMUX METHOD FOR BROADCASTING - A statistical multiplexing method is provided that comprises accessing a plurality of video sequences, wherein the video sequences are each assigned to a unique channel in a common broadcast system; collecting information from a plurality of the unique channels assigned to encode the corresponding video sequences; applying rho-domain analysis to the video sequences; and determining bitrate allocation for the channels responsive to the information collect and the rho-domain analysis.10-04-2012
20100328527Fast Channel Switch Between Digital Television Channels - The invention relates to a method for outputting a first digital video stream (BTS′). The method comprises: i) receiving a first transport stream (TS12-30-2010
348390100 Data rate reduction 47
20100039554IMAGE PICK-UP APPARATUS FOR SHOOTING AND REPRODUCING A MOVING IMAGE - A user friendly image pick-up apparatus is provided, which is capable of reproducing a moving image in various ways. The image pick-up apparatus 02-18-2010
20090185072INFORMATION PROCESSING APPARATUS - According to one embodiment, an information processing apparatus inputs motion picture data generated by encoding a motion picture, each frame image of the motion picture is formed by synthesizing a plurality of images, containing a plurality of image data corresponding to the plurality of images. The apparatus includes a decoding module which decodes each of the image data contained in the motion picture data, and a drawing module which synthesizes each decoded image data to form image data of each frame image. The drawing module includes a measurement module which measures a time period for synthesizing the image data and outputting the synthesized image data, and a frame rate control module which decrements a frame rate related to a composite processing of the motion picture data by reducing the number of composite processing target frames per unit time when the measured time period exceeds a predetermined value.07-23-2009
20090284650Bi-Level and Full-Color Video Combination for Video Communication - Systems and methods for video communication are described. In one aspect, network bandwidth conditions are estimated. Bi-level or full-color video is then transmitted over the network at transmission bit rates that are controlled as a function of the estimated bandwidth conditions. To this end, network bandwidth capability is periodically probed to identify similar, additional, or decreased bandwidth capabilities as compared to the estimated bandwidth conditions. Decisions to hold, decrease, or increase the video transmission bit rate are made based on the estimated bandwidth conditions in view of the probing operations. When the transmission bit rate is increased or decreased, the transmission bit rate is calculated to target an upper or lower bit rate, both of which are indicated by the estimated bandwidth conditions. Bi-level video communication is switched to full-color video transmission, or vice versa, when the video transmission bit rate respectively reaches the upper bit rate or the lower bit rate.11-19-2009
20090316041METHOD AND APPARATUS FOR PROCESSING IMAGE DATA - A method and apparatus of processing image data comprises receiving a video data signal where each pixel is represented by one or more digitized components, each digitized component being represented by a first set of binary digits and a second set of binary digits. The first set of binary digits is stored in a first memory plane and the second set of binary digits is stored in a second memory plane. The first set of binary digits is extracted and undergoes first and second processing. The second set of binary digits is extracted and undergoes second processing.12-24-2009
20110109792Adaptive Display Compression for Wireless Transmission of Rendered Pixel Data - A system employs adaptive data rate reduction of rendered pixel data for wireless transmission between a source device and a display device. The source device determines the display properties of the display device and the current available bandwidth of a wireless channel connecting the source device to the display device. The source device adjusts a data rate reduction process that is applied to the rendered pixel data before the resulting pixel data is wirelessly transmitted based on these parameters. In response to a change in the data rate reduction process, the source device further can transmit to the display device an indicator that identifies the current data rate reduction type and effective compression ratio being applied by the source device. The display device can use this indicator to configure the processing of the rendered pixel data at the display device so as to mirror or otherwise comply with the particular data rate reduction process applied by the source device.05-12-2011
20090174810Video display system - A video display system includes: an image processing unit receives continuously an input video signal including an input frame signal for generating an output video signal comprising an output frame signal having a higher frame rate than the input frame signal; and a spatial light modulator (SLM) applies the output frame signal for modulating an illumination light, wherein an amount of data in the output frame signal is smaller than the amount of data in the input frame signal.07-09-2009
348391100 Specified color signal 2
20110109793VIDEO SIGNAL TRANSMITTING APPARATUS AND VIDEO SIGNAL RECEIVING APPARATUS - An interface is realized that can prevent video signals from being copied easily and which uses a luminance/color difference signal transmission scheme with an excellent harmony with a television circuit. In a video transmission using a digital interface, colorimetry information for defining the conversion from the luminance/color difference signal into a primary color signal and video aspect ratio information are transmitted along with the luminance/color difference type video signal. This allows reproduction of video with high quality and high resolution and also realizes a copyright protection which allows only the users authorized by key information to use the content of the video. With this transmission scheme, it is possible to provide a transmitting apparatus, a receiving apparatus and an interface which highly harmonize with a rationalized television-based circuit.05-12-2011
348396100 Including luminance signal 1
20090174811Method and apparatus of bayer pattern direct video compression - Applying a mechanism of image signal processing and color-space-conversion to convert the captured Green components to be Y, luminance components for only those pixels having raw Green data without interpolation, and to convert the Blue components to be U, chrominance components for only those pixels having raw Blue data, and Red components to be V, chrominance components for only those pixels having raw Red data. These converted YUV components are input to a predetermined video compression codec for reducing the intra- and inter-frame redundant information.07-09-2009
348399100 Picture feature dependent sampling rate or sample selection 3
20120169923VIDEO CODING - Techniques are discussed for providing mechanisms for coding and transmitting high definition video, e.g., over low bandwidth connections. In particular, foreground-objects are identified as distinct from the background of a scene represented in a plurality of video frames received from a video source, such as a camera. In identifying foreground-objects, semantically significant and semantically insignificant movement (e.g., repetitive versus non-repetitive movement) is differentiated. Processing of the foreground-objects and background proceed at different update rates or frequencies.07-05-2012
20120194733ADAPTIVE VIDEO CAPTURE DECODE SYSTEM - Devices, methods, and software are disclosed for an adaptive video capture decode system that efficiently manages a stream of image frames between a device display screen and a processor performing decode attempts on decodable features in the image frames. In an illustrative embodiment, a device assigns frames of image data from a stream of frames of image data to either a display subsystem or a decode subsystem. The display subsystem is operative for rendering the frames of image data on a display screen. The decode subsystem is operative for receiving frames of image data and performing an attempted decode of a decodable indicia represented in at least one of the frames of image data. None of the frames of data are assigned to both the display subsystem and the decode subsystem.08-02-2012
20080284904PRE-PROCESSING METHOD AND SYSTEM FOR DATA REDUCTION OF VIDEO SEQUENCES AND BIT RATE REDUCTION OF COMPRESSED VIDEO SEQUENCES USING SPATIAL FILTERING - Methods for pre-processing video sequences prior to compression to provide data reduction of the video sequence. Also, after compression of the pre-processed video sequence, the bit rate of the pre-processed and compressed video sequence will be lower than the bit rate of the video sequence after compression but without pre-processing. Pre-processing may include spatial anisotropic diffusion filtering such as Perona-Malik filtering, Fallah-Ford filtering, or omni-directional filtering that extends Perona-Malik filtering to perform filtering in at least one diagonal direction. Pre-processing may also include performing filtering differently on a foreground region than on a background region of a video frame. This method includes identifying pixel locations having pixel values matching characteristics of human skin and determining a bounding shape for each contiguous grouping of matching pixel locations. The foreground region is comprised of pixel locations contained in a bounding shape and the background region is comprised of all other pixel locations.11-20-2008
348400100 Involving hybrid transform and difference coding 1
348401100 With prior difference coding 1
348402100 Including motion vector 1
20080204592Motion compensated frame rate conversion system and method - Systems and methods of motion compensated frame rate conversion are described herein. These systems and methods convert an input video sequence at a first frame rate to an output video sequence at a second frame rate through a novel motion estimation and motion vector processing stage that produces a motion field having a plurality of motion vectors that describe the movement of objects between input video frames from the perspective of an interpolated video frame. A subsequent motion compensated interpolation stage then constructs the interpolated video frame using an adaptively blended combination of a motion compensated prediction and a temporal average prediction of the pixel values from the input video frames. Motion estimation in these systems and methods is enhanced by utilizing spatial and temporal biasing on the predictions of moving objects between and within the input frames, and also by removing aberrational motion vectors from the motion field through a hierarchy of motion vector processing blocks.08-28-2008
348403100 Involving transform coding 1
20120013793VIDEO IMPORTANCE RATING BASED ON COMPRESSED DOMAIN VIDEO FEATURES - Systems and methods are provided for identifying important video frames and segments in multimedia content such as a segmented compressed domain video. Video frames in a segment are analyzed to determine intensity, contrast, and motion values for the frames and their segments. The values among frames and segments are compared to identify one or more video segments likely to be important to a viewer. The systems and methods may additionally be augmented with audio data other characteristics associated with the video frames and segments analyzed.01-19-2012
348409100 Involving difference transmission (e.g., predictive) 8
20090195690INTRA PREDICTION METHOD FOR LUMA BLOCK OF VIDEO - An intra prediction method for a luma block of a video is provided. The present invention provides a solution for unifying the intra prediction of the luma block of the video, which simplifies a plurality of prediction equations defined by video standard. The predication values of common terms in the prediction equations are calculated in advance and directly selected for predicting the luma block of the video. Accordingly, only a few function parameters or register settings are needed to be modified, and then a plurality of prediction modes may use the same software function or hardware circuit to obtain the prediction values.08-06-2009
20100182499MULTIMEDIA CONTENT DELIVERY USING PRE-STORED MULTIPLE DESCRIPTION CODED VIDEO WITH RESTART - An embodiment of the present invention includes a buffer, a selector, and an analyzer. The buffer stores at least a default stream coded by a multiple description (MD) coding and a restart stream coded by a predictive coding. The default and restart streams correspond to a media content. The selector selects a transmit frame from the default and restart streams according to a transmission status. The transmit frame is transmitted to a receiver. The analyzer provides the transmission status based on feedback information provided by the receiver.07-22-2010
20100220231TRACK FOR IMPROVED VIDEO COMPRESSION - A computer readable medium for compressing video data with an edit track is provided. Generally, computer readable code for compressing video data is provided. The computer readable code for compressing comprises computer readable code for accessing the edit track to use data in the edit track during the compressing. A method of compressing video data with an edit track is provided. Generally, video data is compressed. The compressing comprises accessing the edit track to use data in the edit track during the compressing. A system for compressing video data is also provided. An edit track reader for accesses data within the edit track and generates instructions based on the data within the data track. A video compressor receives instruction from the edit track reader and receives the edited video track and audio track, and compresses the edited video according to the instructions from the edit track reader.09-02-2010
348415100 Including temporal prediction (e.g., frame difference) 5
20120236199INFORMATION PROCESSING APPARATUS, IMAGE TRANSMITTING PROGRAM, IMAGE TRANSMITTING METHOD AND IMAGE DISPLAY METHOD - An information processing apparatus that creates video data for displaying a computer execution result on a display unit of a terminal device connected via a network and transmits the video data to the terminal device, the information processing apparatus including a memory for storing time sequential static image data constituting the video data, and a processor for a first transmitting the time sequential static image data in order to the terminal device, and a second transmitting, alternatively with the first transmitting, after creating and transmitting reference image data that becomes a reference in the time sequential static image data, difference image data from previous static image data in order, wherein the second transmitting does not transmit the reference image data and transmits a signal indicating that the last static image data transmitted by the first transmitting is to be reference image data, when switched from the first transmitting.09-20-2012
348416100 Including motion vector 4
20080239143METHOD AND APPARATUS FOR ADAPTIVELY CONVERTING FRAME RATE BASED ON MOTION VECTOR, AND DISPLAY DEVICE WITH ADAPTIVE FRAME RATE CONVERSION FUNCTION - An interpolation image generation method and apparatus for adaptively converting a frame rate based on a motion vector, and a display device having an adaptive frame rate conversion function are provided. The interpolation image generation method includes an interpolation image generation process calculating motion vectors from a previous image unit and a subsequent image unit that are continuous and generating an interpolation image using the motion vectors; a motion error boundary detection process detecting an area, in which a motion error determined from the motion vectors is greater than a predetermined value, as a boundary area of the interpolation image; and a motion compensation process compensating for a motion error inside the detected boundary area based on a dominant direction of the motion vectors using at least one of the previous image unit and the subsequent image unit.10-02-2008
20100315547MOVING REGION DETECTION DEVICE - To provide a moving region detection device capable of rapidly and accurately detecting a main moving region from plot data on a computer screen. A moving region detection unit (12-16-2010
20100079665Frame Interpolation Device - A frame interpolation device includes: a motion vector detecting module configured to divide each of input frame images into a plurality of blocks and detect motion vectors by performing block matching; a distribution detecting module configured to detect a distribution of spatial frequency components of a current input frame image; a feature analyzing module configured to analyze a feature of the current input frame image based on the distribution; a control module configured to control the motion vector detecting module according to the detected feature; an interpolation frame generating module configured to generate an interpolation frame image using the detected motion vectors according to the detected feature; and an output module configured to insert the interpolation frame image between the input frame images and output resulting output frame images.04-01-2010
20120274844Method and System for Power-Aware Motion Estimation for Video Processing - Methods and systems for power-aware motion estimation video processing are disclosed. Aspects of one method may include estimating motion for video data by block matching reduced resolution blocks of video data to generate an initial motion vector. The preliminary motion vector and motion for a previous frame may be used to generate a final motion vector for the block for the present frame using an iterative algorithm. The motion estimation may be dynamically enabled and/or disabled based on content of the video data, available power to a mobile terminal, and/or a user input. The iterations used to generate the final motion vector may be based on content of the video data, available power to a mobile terminal, and/or a user input.11-01-2012
348420100 Involving block coding 4
20090273706Multi-level representation of reordered transform coefficients - Techniques and tools for encoding and decoding a block of frequency coefficients are presented. An encoder selects a scan order from multiple available scan orders and then applies the selected scan order to a two-dimensional matrix of transform coefficients, grouping non-zero values of the frequency coefficients together in a one-dimensional string. The encoder entropy encodes the one-dimensional string of coefficient values according to a multi-level nested set representation. In decoding, a decoder entropy decodes the one-dimensional string of coefficient values from the multi-level nested set representation. The decoder selects the scan order from among multiple available scan orders and then reorders the coefficients back into a two-dimensional matrix using the selected scan order.11-05-2009
20090051808IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - An image processing apparatus able to encode and decode images by a low cost, small sized circuit configuration, having a temporary storage portion for temporarily storing data, an encoding/decoding processing portion for reading and writing data successively with respect to the temporary storage portion and encoding and decoding the image data in parallel, and a storage control portion for controlling the read and write operations of the data with respect to the temporary storage portion, wherein the storage control portion controls the read and write operations with respect to the temporary storage portion by the encoding/decoding processing portion in the encoding processing and at least read and write operations to the temporary storage portion by the encoding/decoding processing portion in the decoding processing so as to be performed within one frame's worth or one field's worth of processing period in a time division manner.02-26-2009
20100128168Apparatus and method for coding block boundary detection using interpolated autocorrelation - An apparatus and method for coding block boundary detection using interpolated autocorrelation is disclosed. Input video frames are processed to obtain a binary map of possible block boundary pixels including original and rescaled block boundaries. The boundary pixel map is converted to a boundary histogram. Then interpolated autocorrelation is applied to the boundary histogram to detect the block size and block size offset. The interpolated autocorrelation handles both integer sizes and non-integer sizes. A confidence measure is also determined that reflects the accuracy of the detection result. The output for the current video frame is also post processed with information from previous frames to provide better temporal stability.05-27-2010
20120200769VIDEO SIGNAL PROCESSING APPARATUS, VIDEO SIGNAL PROCESSING METHOD, AND PROGRAM - A video signal processing apparatus including: a video signal band measurement unit that measures a signal band of an input video signal; a band level evaluation unit that evaluates a band level of the resultant signal band measured by the video signal band measurement unit; a block size detection sensitivity adjustment unit that adjusts block size detection sensitivities in block size detection based on the band level evaluated by the band level evaluation unit; and a block size detection unit that detects the block sizes of blocks in the input video signal by using the block size detection sensitivities adjusted by the block size detection sensitivity adjustment unit.08-09-2012
348423100 Arrangements for multiplexing one video signal, one or more audio signals, and a synchronizing signal 2
20110063499DIGITAL BROADCAST RECEIVER AND DIGITAL BROADCAST RECEPTION METHOD - The digital broadcast receiver according to the present invention includes: a signal separating section that separates a main audio signal and a video signal from a decoded digital broadcast signal, and when the decoded digital broadcast signal includes the sub-audio signal, further separates the sub-audio signal; an audio generating section that decodes the main audio signal to generate a decoded main audio signal, and decodes the sub-audio signal, when it has been further separated, to generate a decoded sub-audio signal; a video generating section that decodes the video signal to generate a decoded video signal; a detecting section that detects an input to the audio generating section of the separated sub-audio signal; and a control section that, when the detecting section has detected an input of the sub-audio, controls the video generating section to further generate a sub-audio image signal to display a sub-audio image indicating the presence of sub-audio.03-17-2011
20090310014DIGITAL E8-VSB RECEPTION SYSTEM AND E8-VSB DATA DEMULTIPLEXING METHOD - A method of processing a digital television (DTV) signal is disclosed. Herein, the DTV signal is generated by performing Reed-Solomon (RS) encoding on additional data, multiplexing the RS-encoded additional data with main data. RS encoding the multiplexed additional and main data, interleaving the RS-encoded additional and main data, trellis encoding the interleaved additional and main data, and transmitting a Radio Frequency (RF) DTV signal including the trellis-encoded additional and main data. The method to process the DTV signal includes receiving the DTV signal including the additional data multiplexed with the main data through an antenna, in which signaling information is periodically inserted in the additional data. The received DIV signal is demodulated including performing channel equalization on the demodulated DTV signal. Trellis decoding is performed on the channel-equalized DIV signal. Further, the additional data from the trellis-decoded DTV signal is extracted including removing dummy data from the extracted additional data.12-17-2009
348424100 Sub-Nyquist sampling 1
20110090394Communication System with Compressive Sensing - Systems and methods for communication systems with compressive sensing are disclosed. In one embodiment, a method of signal processing includes receiving a data packet at a processor. The data packet includes compressively measured data in wavelet transform coefficients of a signal. The signal is reconstructed using a clustering property of the wavelet transform coefficients.04-21-2011
348425100 Associated signal processing 19
20090122182SIGNAL PROCESSING DEVICE - A signal processing device (05-14-2009
20090040371Methods, systems and apparatuses for pixel value correction using multiple vertical and/or horizontal correction curves - Methods, systems and apparatuses are disclosed for approximating vertical and horizontal correction values in a pixel value correction calculation. Multiple vertical and/or horizontal correction curves are used and may be employed for one or more color channels of the imager. The use of multiple correction curves allows for a more accurate approximation of the correction curves for image pixels.02-12-2009
20120287337Updating Non-Shadow Registers in Video Encoder - A video processor controlled by a set of non-shadow registers is provided. A list of updates for one or more of the non-shadow registers may be prepared in a memory module. A frame buffer is updated with video data for a display coupled to the video processor. A blanking interval is detected after updating the frame buffer. A direct memory access engine is triggered to transfer the list of updates from the memory module to the non-shadow registers during the blanking interval.11-15-2012
20090284651QUANTIZATION AND DIFFERENTIAL CODING OF ALPHA IMAGE DATA - Alpha images are efficiently encoded for inclusion in video bitstreams. During encoding, alpha image data is quantized as a first step before differential encoding. The quantized alpha image data is then differential encoded and represented in a modulo domain before entropy encoding to take advantage of certain distribution features of typical alpha image data. During decoding, a decoder performs differential decoding of encoded alpha image data before dequantization. During differential decoding, the data is converted from a modulo domain to a continuous domain. Dequantization is performed using a technique which results in reconstructed alpha image values which include 0 and maximal values within the acceptable alpha image data range so that the process preserves these values for reconstructed alpha images.11-19-2009
20090015710Method and Apparatus Converting moving Image, Method and Apparatus for Reproducing Moving Image, and Computer Program - A down-sampling operation is performed on moving image data to reduce a sample count of the data to 1/M times the original sample count. In the down-sampling operation, a band-limitation operation is performed on the moving image data using a low-pass filter. The low-pass filter has a stop band frequency that prevents a harmonic component having a K-th order or higher, of harmonic components generated in the down-sampling operation, from overlapping an original signal component. The down-sampling operation is then performed on the band-limited moving image data, thereby compressing the moving image data. Aliasing distortion caused by a harmonic component of a high order is controlled. The resulting compressed image is free from a substantial loss of a high-frequency component of the original signal.01-15-2009
20090231485Mobile Terminal Device, Dongle and External Display Device Having an Enhanced Video Display Interface - The present invention relates to the field of mobile terminal devices, dongles and display device connected with external displays for mobile terminals. A mobile terminal device comprises a processing unit having the capability to process high resolution display content, a user interface comprising at least a low resolution display, connected to said processing unit to display low resolution display contents, and a video display interface connected to said processing unit, said display interface having high resolution display contents transferring capabilities to provide said high resolution display contents from said processing unit, wherein said mobile terminal device comprises high resolution display contents compression capabilities to reduce the data rate of said high resolution display contents, and a serial bus connector to transfer said high resolution display contents having a reduced data rate to an external display device. The invention also relates to other embodiments of this device, a connectable display and a display adapter to connect a conventional display to the mobile terminal.09-17-2009
20090128689Method of selecting a reference picture - In one embodiment, the method includes determining reference picture index numbers in a reference picture list. The reference picture index numbers increase for reference pictures having a decreasing display order with respect to a picture including the macroblock. The reference picture index numbers increase for reference pictures having an increasing display order with respect to the picture including the macroblock, and the reference picture index numbers of the reference pictures having a decreasing display order are less than the reference picture index numbers of the reference pictures having an increasing display order. The embodiment further includes reordering the reference picture index number allocated to each reference picture in the reference picture list, obtaining a field reference picture index associated with the current field macroblock, determining a frame reference picture index based on the field reference picture index and the reference picture index numbers, and selecting a field reference picture having a parity different from a parity of the field macroblock if the field reference picture index is an odd value.05-21-2009
20110069222RELIABLE AND NON-MANIPULATABLE PROCESSING OF DATA STREAMS IN A RECEIVER - The invention provides a solution for secure and non-manipulatable processing of a data stream in a receiver, possibly in conjunction with a smartcard. A packet identity and a content type identifier associated with the packet identifier are received in encrypted form and securely processed within the receiver to allow an encrypted payload of the data stream to be processed without the possibility to manipulate the content type identifier in an attempt to intercept the payload after decryption.03-24-2011
348425200 Involving error detection or correction 7
20120287338VIDEO IMAGE CODED DATA DISPLAY METHOD, DEVICE, AND COMMUNICATIONS SYSTEM - The present invention relates to a displaying method for video image coded data which prevents deterioration of image quality of a video image as much as possible, and conceals, from an observer, deteriorated video quality caused due to a transmission error. The displaying method selects target image frames to be decoded and target image frames to be discarded, by performing error determination (11-15-2012
20110199535MOVING IMAGE DISPLAY - A moving image display includes a data forming unit 08-18-2011
20100289943BROADCASTING RECEIVER - A broadcasting receiver includes a demodulator, a detector, and a start flag storage unit. The demodulator demodulates received digital broadcasting and outputs a demodulated signal. The signal detector detects a synchronization signal and a start control signal from the demodulated signal. The synchronization signal and the start control signal are contained in an emergency alert broadcasting frame multiplexed onto the digital broadcasting. The start control signal indicates emergency alert broadcasting. The start flag storage unit stores a start flag indicating that the signal detector has detected the start control signal.11-18-2010
20090141166Selective error concealment method and apparatus for moving picture frame - Disclosed is a selective frame error concealment method for a moving picture frame, the method including the steps of determining if an erroneous frame corresponds to one among a predetermined number of frames received after an I frame when the erroneous frame is received during reception of moving picture frames, determining if the number of consecutive erroneous frames is greater than a threshold value when the erroneous frame does not correspond to one among the predetermined number of frames received after the I frame, using an error concealment technique when the number of consecutive erroneous frames is equal to or less than the threshold value; and displaying a frame, which has been received without error before the erroneous frame, until receiving a new I frame, either when the erroneous frame corresponds to one among the predetermined number of frames received after the I frame, or when the number of consecutive erroneous frames is greater than the threshold value.06-04-2009
20100013987Device and Method for Processing a Real Subband Signal for Reducing Aliasing Effects - In order to process a subband signal of a plurality of real subband signals which are a representation of a real discrete-time signal generated by an analysis filter bank, a weighter for weighting a subband signal by a weighting factor determined for the subband signal is provided to obtain a weighted subband signal. In addition, a correction term is calculated by a correction term determiner, the correction term determiner being implemented to calculate the correction term using at least one other subband signal and using another weighting factor provided for the other subband signal, the two weighting factors differing. The correction term is then combined with the weighted subband signal to obtain a corrected subband signal, resulting in reduced aliasing, even if subband signals are weighted to a different extent.01-21-2010
20110115976REMOTE TRANSMISSION SYSTEM - A virtual broadband receiver includes a receiving unit to receive a multiplicity of media data streams and an assembly engine to assemble them. The receiving unit receives the data streams from a multiplicity of data connections, wherein each media data stream was transmitted along one of at least one wireless communication network accessible from a remote reporting location to one of the data connections. The assembly engine assembles the data streams into a single media stream forming a live media transmission from the remote reporting location.05-19-2011
20100328528TRANSMISSION CAPACITY PROBING USING ADAPTIVE REDUNDANCY ADJUSTMENT - In accordance with an example embodiment of the present invention, there is provided an apparatus configured to instruct a redundancy encoder to increase a level of redundancy of a media stream, an error rate determination to determine an error rate of a communication path conveying the media stream with increased redundancy, a comparator configured to compare a bandwidth used to convey the encoded media stream at the increased redundancy level with a bandwidth for conveying the encoded media stream at a second quality level greater than the first quality level, the apparatus being further configured to provide a switching signal to a media encoder to start encoding the media stream at the second quality level responsive to the used bandwidth being sufficient for conveying the media stream encoded at the second quality level and the determined error rate being less than a predetermined threshold value.12-30-2010
348425300 Involving signal formatting 1
20120206645DELIVERY SYSTEM, GATEWAY, DELIVERY METHOD, AND PROGRAM - Provided is a delivery system that responds to requests from various terminals and delivers content converted to be viewable/audible by the terminals. The delivery system includes a gateway that requests, if a temporary content accumulation apparatus does not store a moving image stream or moving image file receivable by a content-requesting-terminal, the external delivery server to transmit moving image content specified in a request message, generates a moving image stream or moving image file satisfying reception capability of the content-requesting-terminal, transmits the generated moving image stream or moving image file to the terminal, and stores the generated moving image stream or moving image file in the temporary content accumulation apparatus.08-16-2012
348425400 Involving synchronization 3
20100194977Full Scale Video with Overlaid Graphical User Interface and Scaled Image - The present disclosure relates to displaying full scale images with overlaid similar scaled images and a graphical user device in a display of a client device. The client device receives video streams of the full scale images and scaled images. The video streams are broadcast independent of one another, and a user of the client device may manipulate the format of the images of either or both streams, and/or place the scaled image on any portion of the full scaled image. The graphical user interface is placed so it does not obscure the scaled image. Alternatively a single video stream may be received by the client device. When a single video stream is received, the client device creates two video streams, one stream comprising full scale images and the other stream comprising scaled images. The full scale image is overlaid with the scaled image and the graphical user interface.08-05-2010
20110050990SYSTEM AND METHOD FOR EMBEDDING DATA IN VIDEO - Apparatus and method for embedding data in initial content having synchronized video and audio, the method comprising defining at least one content segment in the initial content, and altering the video and audio synchronization in the at least one segment in accordance with the data to be embedded, wherein the altered content segment is viewable on a viewing device and the synchronization alteration is imperceptible to a casual viewer. Related apparatus and methods are also described.03-03-2011
20110069223VIDEO/AUDIO DATA OUTPUT DEVICE AND METHOD - A video/audio data output device includes a demultiplexing section, a video decoder that generates video data by decoding the video stream signal, an audio decoder that generates audio data by decoding the audio stream signal, a video output section that outputs the video data in synchronism with the system clock, an audio output section that outputs the audio data in synchronism with the system clock, a video adjusting section, and an audio output adjusting section. The demultiplexing section demultiplexes a video stream signal, an audio stream signal, and a system clock from an input signal, the video adjusting section processes a video frame that has been output from the video output section, and the audio output adjusting section delays the system clock to be supplied to the audio output section, in accordance with a length of time that the video adjusting section takes to process the video frame.03-24-2011
348426100 Format type 6
20110141347METHOD OF PROCESSING NON-REAL TIME SERVICE AND BROADCAST RECEIVER - A method of processing a non-real time service of a broadcast receiver, which receives and processes a service being transmitted in non-real time, and a broadcast receiver are disclosed. Herein, the method of processing a non-real time service in a broadcast receiver includes receiving in non-real time first signaling information including access information of a content item and second signaling information including detail information of the content item, receiving in non-real time a file belonging to the content item by accessing to a FLUTE session transmitting the content item, wherein the file corresponds to a compressed file that has one or more files including an entry file compressed therein, and decompressing the compressed file and then executing the content item referring to information on the entry file.06-16-2011
20090128690SYSTEMS AND METHODS FOR USE IN TRANSFORMING ELECTRONIC INFORMATION INTO A FORMAT - A method for transforming electronic information in to a format, the method comprising the steps of: accessing a first electronic file that comprises control data; accessing metadata based on the control data; identifying input data based on the metadata and the control data; and creating output data that is based on the input data and which has an output format that is based on the control data.05-21-2009
20120169924VIDEO PROCESSING APPARATUS CAPABLE OF DYNAMICALLY CONTROLLING PROCESSED PICTURE QUALITY BASED ON RUNTIME MEMORY BANDWIDTH UTILIZATION - A video processing apparatus is provided. A storage medium is operative to store multimedia data. A model design module is operative to determine a module factor according to a format of the multimedia data, monitor an amount of runtime bandwidth utilization of the storage medium, and dynamically adjust the module factor according to the amount of runtime bandwidth utilization of the storage medium. A PQ control module is operative to access the storage medium to process the multimedia data according to the module factor and output processed multimedia data.07-05-2012
348432100 Added video information in standard channel format 3
348433100 Including additional modulation of picture carrier (e.g., quadrature) 1
20110080517PHASE NOISE AND FREQUENCY ERROR RESILIENT DEMODULATION SCHEME FOR MOCA - Systems and methods for demodulating signals are disclosed. A system in accordance with the present invention comprises a frequency estimator, a tuner, coupled to the frequency estimator, for tuning to a frequency based on an estimate from the frequency estimator, a phase offset estimator for determining an average phase offset, and a demodulator, coupled to the tuner and the phase offset estimator, for demodulating the plurality of symbols, wherein the demodulator corrects a phase offset for a given symbol in the plurality of the symbols based on the average phase offset of symbols prior to the given symbol.04-07-2011
348434100 Including information in sync, blanking, or overscan 1
348435100 During vertical blanking interval 1
20090295987Apparatus and Method for Processing a Vertical Blanking Interval Signal - Apparatus and method for processing a vertical blanking interval (VBI) signal and video signal are provided. An exemplary apparatus comprises a VBI decoder, a mixer, and a TV encoder. The VBI decoder is configured to receive and decode the VBI signal to generate a decoded VBI signal. The mixer is configured to mix the video signal and decoded VBI signal to generate a mixed signal. The TV encoder is configured to encode the mixed signal to generate a first TV compatible signal for TV display. After receiving the first TV compatible signal, the TV not equipped with a VBI decoder can display the contents of the video signal and VBI signal.12-03-2009
348436100 Including use of a subcarrier 1
20090040372DIGITAL BROADCASTING TRANSMITTING/RECEIVING APPARATUS AND METHOD - Provided are a digital broadcasting transmitting/receiving apparatus and method. By converting content of a main-program to a stream, converting content of a sub-program forming a single digital broadcasting service through synchronization with the main-program by being subordinated to the main-program to a stream, generating program configuration information containing stream conversion information of the main-program and stream conversion information of the sub-program, multiplexing the converted main-program stream and the generated program configuration information and real-time transmitting the multiplexed signal, and transmitting the converted sub-program stream in non-real-time, various and new premium services with compatibility with existing digital broadcasting services can be provided to users.02-12-2009
348438100 Individual processing of different parts of image frequency band (e.g., sum and difference, high band/low band) 2
20110317066Interactive System and Method for Transmitting Key Images Selected from a Video Stream Over a Low Bandwidth Network - A method and interactive system for the on-line transmission of a high-resolution video sequence composed of a succession of T images includes a step of selecting relevant images comprising at least the following steps: split each image to be transmitted at the instant t into a number N of zones, for each zone n determined in the previous step, calculate a value representative of the content of said zone, for each image to be transmitted, generate a vector representative of the content of said image containing the values obtained in the previous step, calculate a normalized coefficient of correlation α between the reference vector determined for a previously selected image and that calculated for the current image, make a decision on the selection (or not) of the current image as a function of the value of the normalized correlation coefficient α.12-29-2011
20090244364MOVING IMAGE SEPARATING APPARATUS, MOVING IMAGE UNITING APPARATUS, AND MOVING IMAGE SEPARATING-UNITING SYSTEM - A moving image separating apparatus is disclosed. The apparatus is provided with a privacy image region detection unit and a moving image separating unit. The privacy image region detection unit detects privacy image region data indicating a position and a range of a privacy image region from the original moving image data. The moving image separating unit receives the original moving image data and the privacy image region data from the privacy image region detection unit. The moving image separating unit separates the original moving image data to private moving image data composed of image data corresponding to the privacy image region and to public moving image data composed of image data of a region excluding the privacy image region, on the basis of the privacy image region data.10-01-2009

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