Patent application number | Description | Published |
20080246643 | Technique For Efficient Video Re-Sampling - Efficient re-sampling within a memory occurs by first generating an address request that contains a first portion that identifies a selected data string of interest, and a second portion that identifies a particular group of data values within the selected string. The first portion of the address request is applied to the memory to obtain the selected string of values during a single read operation. The second portion of the read address serves to mask the selected string of values to obtain the particular group of values of interest within the string. | 10-09-2008 |
20080303759 | Contrast Ratio Enhancement System Using Black Detector - The disclosed embodiments relate to a system and method of enhancing a contrast ratio of a display device. An exemplary method comprises determining a quantity of pixels in a frame of video data having a predetermined level of blackness, comparing the quantity of pixels to a reference value, and modulating an illumination signal based on a quantity of pixels exceeding the reference value. | 12-11-2008 |
20090015602 | Contrast Ratio Enhancement System Using Asymmetrically Delayed Illumination Control - The disclosed embodiments relate to a system and method that enhance contrast ratio of a display device using asymmetrically delayed illumination signal control. An exemplary embodiment comprises determining a pixel brightness level for a video frame, and delaying application of the illumination signal based on a change of the pixel brightness level. | 01-15-2009 |
20090059081 | HISTOGRAM DETECTOR FOR CONTRAST RATIO ENHANCEMENT SYSTEM - The disclosed embodiments relate to a system and method for processing a video signal, comprising assigning pixels from a set of pixels to at least one of a plurality of bins based on a brightness level associated with each pixel of the set of pixels, each of the plurality of bins containing pixels having a brightness level above or below a specified value, and identifying a coarse horizon value corresponding to a first one of the bins that includes a number of pixels corresponding to a brightness level. | 03-05-2009 |
20090251481 | CONTRAST RATIO ENHANCEMENT SYSTEM USING LINEARIZED ILLUMINATION CONTROL - The disclosed embodiments relate to a video unit, comprising an illumination source. The video unit additionally comprises a circuit coupled to the illumination source, the circuit adapted to linearize the illumination source using characteristic parameters of the illumination source. | 10-08-2009 |
20090316048 | Apparatus and method for image processing in spatial light modulated display systems - Embodiments of the invention provide a circuit for peaking video signals to be provided to a dynamic range limiter for displaying images on a display device. The circuit comprises a peaking filter including a filter input configured to receive a video signal. A first filter output provides a peaking signal for the video signal. A second filter output provides a peaked video signal based upon the peaking signal. The circuit further comprises a throttle circuit including a throttle input coupled to the second filter output. A throttle output provides a throttle signal based upon the peaked video signal. A scaler is coupled between the first filter output and the dynamic range limiter. The scaler is further coupled to the throttle output. The scaler adjusts the peaking signal based upon the throttle signal. Accordingly, peaking is adaptively applied to the video signal based upon the dynamic range limits of the dynamic range limiter, as well as variations in brightness of the input signal over portions of the displayed image. | 12-24-2009 |
20100104264 | SYSTEM AND METHOD FOR PLAYING AUDIO FROM A MEDIA SOURCE ON A TELEVISION DURING A MUSIC-ON-MUTE FUNCTION - There is provided a system and method for playing audio from a media source on a television during a music-on-mute function. More specifically, in one embodiment, there is provided a method, comprising receiving a signal with a video portion and an audio portion, determining whether a music-on-mute function is active, playing the audio portion of the signal if the music-on-mute function is not active, and playing an audio file from an alternative media source if the music-on-mute function is active. | 04-29-2010 |
20100208133 | RECURSIVE NOISE REDUCTION SYSTEM AND METHOD FOR FILM-BASED VIDEO - Embodiments of the present invention are directed to a system and method for recursive noise reduction. An exemplary method comprises receiving a first film frame having a first frame rate and a second film frame having the first frame rate and converting the first film frame into a first plurality of video frames having a second frame rate. The exemplary method further comprises converting the second film frame into a second plurality of video frames having the second frame rate, wherein the first plurality of video frames is positioned adjacent the second plurality of video frames at a border between the first plurality of video frames and the second plurality of video frames and updating a noise reduction correction signal only on the border between the first plurality of video frames and the second plurality of video frames when operating in a first mode. | 08-19-2010 |
20100302456 | SYSTEM AND METHOD FOR POWER MANAGEMENT IN AN ELECTRONIC DEVICE - There is provided a system and method for powering down particular circuits in an electronic device based on the usage habits of the user. An exemplary method comprises collecting usage data for a plurality of device functions of the electronic device, and reducing power consumption by circuitry associated with at least one of the plurality of device functions when the electronic device is in use if the usage data for the at least one of the plurality of device functions indicates that the at least one of the plurality of device functions is used less than at least another of the plurality of device functions. | 12-02-2010 |
20110063513 | SYSTEM AND METHOD FOR REDUCING VIDEO BLOCK ARTIFACTS - The disclosed embodiments relate to a system and method for reducing block artifacts in a video picture. Embodiments include a system that adaptively applies a smoothing of a video picture on a pixel by pixel basis depending on the level of detail surrounding the pixel. In embodiments an amount of smoothing of the pixel depends on the level of detail in the four quadrants surrounding the pixel and the contrast between the pixel and adjacent pixels. | 03-17-2011 |
20110074500 | APPARATUS AND METHOD FOR DETERMINATION OF SIGNAL FORMAT - The determination of the signal modulation format for a channel is an important aspect of the operation of a signal receiver. A method ( | 03-31-2011 |
20110122222 | ACTIVE DISPLAY STANDBY MODE SYSTEM AND METHOD - An exemplary electronic device comprises a display subsystem that is adapted to display an image and at least one additional subsystem. The exemplary electronic device additionally comprises a low power control logic that is adapted to place the electronic device in either a low power operating mode in which power is removed from the display subsystem and the at least one additional subsystem or an active-display standby mode in which the display subsystem remains powered and power is removed from the at least one additional subsystem. | 05-26-2011 |
20140092316 | VARIABLE AND INTERLEAVED SCANNING IN LASER PROJECTORS - A method of operating a miniature projector that comprises: receiving image data to project; generating light beams for a screen; scanning the light beams according to a first pattern from a first edge to an ending edge in the screen to form at least one image, the first pattern being a wave pattern of scan lines such that amplitudes oscillate along a first axis as the beams progressively scan along a second axis, the second axis being substantially perpendicular to the first axis, wherein the first pattern has a first oscillation from the first edge that is directed in a first direction along the first axis; and scanning the light beams according to a second pattern from a second edge to a second ending edge for the screen to form at least another image, the second pattern being a wave pattern of scan lines such that amplitudes oscillate along the first axis as the beams progressively scan along the second axis, wherein the second pattern has a first oscillation from the second edge that is directed in a second direction along the first axis that is opposite the first direction. | 04-03-2014 |
20140098302 | VARIABLE AND SERRATED SCANNING IN LASER PROJECTORS - A miniature projector is provided that comprises: a means for providing at least three different light beams of different color; and a means for scanning the light beams; wherein the scanning means is adapted to scan the light beams according to a pattern from a first edge to an ending edge in the screen to form an image, the pattern being a wave pattern of scan lines such that amplitudes oscillates along a first axis as the beams progressively scan along a second axis, the second axis being perpendicular to the first axis, and wherein the wave pattern is a composite of a vertical scan profile and horizontal scan profile and the vertical scan profile has a cyclic wobulation corresponding to the amplitudes. | 04-10-2014 |
20140373077 | METHODS FOR DISTRIBUTING CONTENT IN MULTI-ROOM ENVIRONMENT - A method enables a user to pause or stop content reproduction in one viewing room, and resume content reproduction in another viewing room according to a timing condition. According to an exemplary embodiment, the method is used in a system including first and second video devices, and includes steps of: receiving by the first video device while playing back a program, a first control signal to interrupt the playback; enabling display of a message by the second video device for a predetermined time interval asking a viewer whether to continue playback of the program by the second video device; receiving by the second video device a second control signal within the predetermined time interval to continue playback of the program; and enabling playback of the program by the second video device in response to the second control signal. | 12-18-2014 |
20150074705 | PARENTAL MONITORING IN A HOME GATEWAY ENVIROMENT - The methodologies, systems and teachings disclosed herein can be embodied in gateway device that is capable of monitoring content accessed through the gateway device. Captures of screen content of the content accessed are obtained and a log of the content accessed is generated from the captured screen content. The log can then be displayed to a user who can use a remote control to navigate through the log to view the captured screen content at different instances of time. | 03-12-2015 |