Patent application number | Description | Published |
20120014429 | Methods and Systems for Parallel Video Encoding and Parallel Video Decoding - Aspects of the present invention are related to systems and methods for parallel video encoding and parallel video decoding. | 01-19-2012 |
20120014431 | Methods and Systems for Parallel Video Encoding and Parallel Video Decoding - Aspects of the present invention are related to systems and methods for parallel video encoding and parallel video decoding. | 01-19-2012 |
20120081241 | Methods and Systems for Context Initialization in Video Coding and Decoding - Aspects of the present invention are related to systems and methods for context model initialization in entropy encoders and decoders. | 04-05-2012 |
20120082218 | Methods and Systems for Entropy Coder Initialization - Aspects of the present invention are related to systems and methods for initialization of entropy encoders and decoders. | 04-05-2012 |
20120183044 | VIDEO DECODER WITH REDUCED DYNAMIC RANGE TRANSFORM WITH MEMORY STORING - A method for decoding video includes receiving quantized coefficients representative of a block of video representative of a plurality of pixels. The quantized coefficients are dequantized based upon a function of a remainder. The dequantized coefficients are inverse transformed to determine a decoded residue. | 07-19-2012 |
20120183045 | VIDEO DECODER WITH REDUCED DYNAMIC RANGE TRANSFORM INCLUDING CLIPPING - A method for decoding video includes receiving quantized coefficients representative of a block of video representative of a plurality of pixels. The quantized coefficients are dequantized based upon a function of a remainder. The dequantized coefficients are inverse transformed to determine a decoded residue. | 07-19-2012 |
20120183046 | VIDEO DECODER WITH REDUCED DYNAMIC RANGE TRANSFORM WITH INVERSE TRANSFORM SHIFTING MEMORY - A method for decoding video includes receiving quantized coefficients representative of a block of video representative of a plurality of pixels. The quantized coefficients are dequantized based upon a function of a remainder. The dequantized coefficients are inverse transformed to determine a decoded residue. | 07-19-2012 |
20120183047 | VIDEO DECODER WITH REDUCED DYNAMIC RANGE TRANSFORM WITH INVERSE TRANSFORM CLIPPING - A method for decoding video includes receiving quantized coefficients representative of a block of video representative of a plurality of pixels. The quantized coefficients are dequantized based upon a function of a remainder. The dequantized coefficients are inverse transformed to determine a decoded residue. | 07-19-2012 |
20120183048 | VIDEO DECODER WITH REDUCED DYNAMIC RANGE TRANSFORM WITH MULTIPLE CLIPPING - A method for decoding video includes receiving quantized coefficients representative of a block of video representative of a plurality of pixels. The quantized coefficients are dequantized based upon a function of a remainder. The dequantized coefficients are inverse transformed to determine a decoded residue. | 07-19-2012 |
20120230395 | VIDEO DECODER WITH REDUCED DYNAMIC RANGE TRANSFORM WITH QUANTIZATION MATRICIES - A method for decoding video comprising receiving quantized coefficients representative of a block of video representative of a plurality of pixels. The quantized coefficients are dequantized and applying a modification to the dequantized coefficients based upon a quantization matrix. Then inverse transforming the dequanized coefficients to determine a decoded residue. | 09-13-2012 |
20120230398 | VIDEO DECODER PARALLELIZATION INCLUDING SLICES - A method for decoding video includes receiving a frame of the video that includes at least one slice and at least one tile. Each of the at least one slice and the at least one tile are not all aligned with one another. Each of the at least one slice is characterized that it is decoded independently of the other the at least one slice. Each of the at least one tile is characterized that it is a rectangular region of the frame and having coding units for the decoding arranged in a raster scan order. The at least one tile of the frame are collectively arranged in a raster scan order of the frame. At least one of (1) receiving entropy information suitable for decoding at least one of the tiles that is not aligned with any of the at least one slice, and (2) identifying at least one of the tiles that is not aligned with any of the at least one slice based upon signal within a bitstream of the frame without requiring entropy decoding to identify the signal. | 09-13-2012 |
20120230399 | VIDEO DECODER PARALLELIZATION INCLUDING A BITSTREAM SIGNAL - A method for decoding video includes receiving a frame of the video that includes at least one slice and at least one tile. Each of the at least one slice and the at least one tile are not all aligned with one another. Each of the at least one slice is characterized that it is decoded independently of the other the at least one slice. Each of the at least one tile is characterized that it is a rectangular region of the frame and having coding units for the decoding arranged in a raster scan order. The at least one tile of the frame are collectively arranged in a raster scan order of the frame. At least one of (1) receiving entropy information suitable for decoding at least one of the tiles that is not aligned with any of the at least one slice, and (2) identifying at least one of the tiles that is not aligned with any of the at least one slice based upon signal within a bitstream of the frame without requiring entropy decoding to identify the signal. | 09-13-2012 |
20120230428 | VIDEO DECODER FOR SLICES - A method for decoding video includes receiving a frame of the video that includes at least one slice and at least one tile. Each of the at least one slice and the at least one tile are not all aligned with one another. Each of the at least one slice is characterized that it is decoded independently of the other the at least one slice. Each of the at least one tile is characterized that it is a rectangular region of the frame and having coding units for the decoding arranged in a raster scan order. The at least one tile of the frame are collectively arranged in a raster scan order of the frame. | 09-13-2012 |
20120281753 | METHODS AND APPARATUS FOR ADAPTIVE COUPLED PRE-PROCESSING AND POST-PROCESSING FILTERS FOR VIDEO ENCODING AND DECODING - Methods and apparatus are provided for adaptive coupled pre-processing and post-processing filters for video encoding and decoding. The apparatus and method encode input data for a picture into a resultant bitstream, wherein said video encoder comprises a pre-filter and a post-filter coupled to the pre-filter, wherein said pre-filter filters the input data for the picture and the post-filter filters in-loop reconstructed data for the picture. | 11-08-2012 |
20120307889 | VIDEO DECODER WITH DYNAMIC RANGE ADJUSTMENTS - A system for decoding video including receiving quantized coefficients representative of a block of video representative of a plurality of pixels and dequantizing the quantized coefficients. Inverse transforming the dequantized coefficients to determine a decoded residue wherein the dequantized coefficients are modified prior to the inverse transforming based upon a predicted dynamic range output of the inverse transform. | 12-06-2012 |
20120307891 | DECODER WITH DYNAMIC RANGE COMPENSATION - A system for decoding video including receiving quantized coefficients representative of a block of video representative of a plurality of pixels and dequantizing the quantized coefficients. The system inverse transform the dequantized coefficients using a first one dimensional inverse transform and a second one dimensional inverse transform to determine a decoded residue where the result of the first one-dimensional inverse transform are shifted different amounts using a shifting process based upon the magnitude of the dequantized coefficients. | 12-06-2012 |
20130003823 | SYSTEM FOR INITIALIZING AN ARITHMETIC CODER - Decoding a slice using a context based adaptively binary arithmetic coding, based upon a pair of variables n and m, corresponding to a probability state index and the value of the most probable symbol. | 01-03-2013 |
20130003827 | CONTEXT INITIALIZATION BASED ON DECODER PICTURE BUFFER - Technique for initialization of encoders and decoders. In some cases, the decoder receives a slice and identifies if the slice is either a forward predicted B-slice or a backward predicted B-slice, and not both a forward and backward predicted B-slice, and based upon this identification initializes, using a P-slice technique, a context associated with the slice. | 01-03-2013 |
20130003829 | SYSTEM FOR INITIALIZING AN ARITHMETIC CODER - Decoding an entropy slice using a context based adaptively binary arithmetic coding, based upon a pair of variables n and m, corresponding to a probability state index and the value of the most probable symbol. | 01-03-2013 |
20130003830 | CONTEXT INITIALIZATION BASED ON DECODER PICTURE BUFFER - Technique for initialization of encoders and decoders. In some cases, the decoder receives a slice and identifies if the slice is either a forward predicted B-slice or a backward predicted B-slice, and not both a forward and backward predicted B-slice, and based upon this identification initializes, using a P-slice technique, a context associated with the slice. | 01-03-2013 |
20130016771 | VIDEO DECODER PARALLELIZATION FOR TILESAANM Misra; KiranAACI VancouverAAST WAAACO USAAGP Misra; Kiran Vancouver WA USAANM Segall; Christopher A.AACI CamasAAST WAAACO USAAGP Segall; Christopher A. Camas WA US - A method for decoding video includes receiving a frame of the video that includes at least one slice and at least one tile. Each of the at least one slice and the at least one tile are not all aligned with one another. Each of the at least one slice is characterized that it is decoded independently of the other the at least one slice. Each of the at least one tile is characterized that it is a rectangular region of the frame and having coding units for the decoding arranged in a raster scan order. The at least one tile of the frame are collectively arranged in a raster scan order of the frame. | 01-17-2013 |
20130094585 | TRACKING A REFERENCE PICTURE ON AN ELECTRONIC DEVICE - A method for tracking a reference picture on an electronic device is described. The method includes receiving a bitstream. The method also includes decoding a portion of the bitstream to produce a decoded reference picture. The method further includes tracking the decoded reference picture in a decoded picture buffer (DPB) with reduced overhead referencing. The method additionally includes decoding a picture based on the decoded reference picture. | 04-18-2013 |
20130094772 | TRACKING A REFERENCE PICTURE BASED ON A DESIGNATED PICTURE ON AN ELECTRONIC DEVICE - A method for tracking a reference picture on an electronic device is described. The method includes receiving a bitstream. The method also includes decoding a portion of the bitstream to produce a decoded reference picture. The method further includes tracking the decoded reference picture in a decoded picture buffer (DPB) with reduced overhead referencing based on a designated picture. The method additionally includes decoding a picture based on the decoded reference picture. | 04-18-2013 |
20130094773 | TRACKING A REFERENCE PICTURE BASED ON A DESIGNATED PICTURE ON AN ELECTRONIC DEVICE - A method for tracking a reference picture on an electronic device is described. The method includes receiving a bitstream. The method also includes decoding a portion of the bitstream to produce a decoded reference picture. The method further includes tracking the decoded reference picture in a decoded picture buffer (DPB) with reduced overhead referencing based on a designated picture. The method additionally includes decoding a picture based on the decoded reference picture. | 04-18-2013 |
20130094774 | TRACKING A REFERENCE PICTURE BASED ON A DESIGNATED PICTURE ON AN ELECTRONIC DEVICE - A method for tracking a reference picture on an electronic device is described. The method includes receiving a bitstream. The method also includes decoding a portion of the bitstream to produce a decoded reference picture. The method further includes tracking the decoded reference picture in a decoded picture buffer (DPB) with reduced overhead referencing based on a designated picture. The method additionally includes decoding a picture based on the decoded reference picture. | 04-18-2013 |
20130114668 | VIDEO DECODER WITH ENHANCED CABAC DECODING - A decoder receives a bitstream containing quantized coefficients representative of blocks of video representative of a plurality of pixels and decodes the bitstream using context adaptive binary arithmetic coding that includes at least two decoding modes, the first mode decoding the bitstream based upon a probability estimate which is based upon at least one of spatially and temporally adjacent syntax element values to a current syntax element being decoded, the second mode decoding the bitstream not based upon a probability estimate based upon other syntax elements to the current syntax element being decoded. The coding decodes the current syntax element using the first mode if the current syntax element is intra-coded and selecting between sets probable modes with different probabilities. The coding decodes the current syntax element using the second mode if the current syntax element is intra-coded and if selecting among one of the second set of probable modes. | 05-09-2013 |
20130114685 | VIDEO DECODER WITH CONSTRAINED DYNAMIC RANGE - A technique for decoding video including receiving quantized coefficient level values representative of a block of video representative of a plurality of pixels and a quantization parameter related to the block of video. The technique includes de-quantizing the quantized coefficient level values based upon the quantized coefficient level values and the quantization parameter only if the quantized coefficient level values and the quantization parameter are jointly within a predefined range of acceptable values. The technique also includes inverse transforming the dequantized coefficients to determine a decoded residue. | 05-09-2013 |
20130114686 | VIDEO DECODER WITH ENHANCED CABAC MOTION VECTOR DECODING - A decoder receives a bitstream containing quantized coefficients representative of blocks of video representative of a plurality of pixels and decodes the bitstream using context adaptive binary arithmetic coding. The coding including at least two decoding modes, the first mode decoding the bitstream based upon a probability estimate which is based upon at least one of spatially and temporally adjacent syntax element values to a current syntax element being decoded, the second mode decoding the bitstream not based upon a probability estimate based upon other syntax elements to the current syntax element being decoded. The context adaptive binary arithmetic coding decoding the current syntax element using the second mode if the current syntax element belongs to a block which is coded using inter-predicted and a motion vector predictor index is signaled explicitly and selecting between a first motion vector predictor set and a second motion vector predictor set. | 05-09-2013 |
20130114688 | Video Decoder with Constrained Dynamic Range - A technique for decoding video including receiving quantized coefficient level values representative of a block of video representative of a plurality of pixels and a quantization parameter related to the block of video, and an inverse quantization scaling factor and an offset scaling factor related to a frame or slice of video. The technique includes de-quantizing the quantized coefficient level values based upon the quantized coefficient level values, the quantization parameter, the inverse quantization scaling factor, and the offset scaling factor. The technique also includes inverse transforming the dequantized coefficients to determine a decoded residue. | 05-09-2013 |
20130114728 | VIDEO DECODER WITH CONSTRAINED DYNAMIC RANGE - A technique for decoding video including receiving quantized coefficient level values representative of a block of video representative of a plurality of pixels and a quantization parameter related to the block of video. The technique includes de-quantizing the quantized coefficient level values based upon the quantized coefficient level values and the quantization parameter only if the quantized coefficient level values and the quantization parameter are jointly within a predefined range of acceptable values. The technique also includes inverse transforming the dequantized coefficients to determine a decoded residue. | 05-09-2013 |
20130188734 | HIGH THROUGHPUT BINARIZATION (HTB) METHOD FOR CABAC IN HEVC - An electronic device configured for high throughput binarization mode is described. The electronic device includes a processor and instructions stored in memory that is in electronic communication with the processor. The electronic device obtains a block of transformed and quantized coefficients (TCQs). The electronic device determines whether a high throughput binarization mode condition is met. If the condition is met, the electronic device uses the high throughput binarization mode to process the block. If the condition is not met, the electronic device does not use the high throughput binarization mode to process the block. The electronic device transmits the generated first or second bitstream to a decoder. | 07-25-2013 |
20130301738 | MODIFIED CODING FOR A TRANSFORM SKIPPED BLOCK FOR CABAC IN HEVC - In an example, an electronic device of a decoder is configured to obtain a bit stream and recover a binary symbol from the obtained bit stream. The electronic device is configured to determine whether the binary symbol is to be decoded using a modified transform skip mode. The electronic device is configured to, in response to determining that the binary symbol is not to be decoded using the modified transform skip mode, determine a first TS_Shift value, and recover video data using the first TS_Shift value. The electronic device is configured to, in response to determining that the binary symbol is to be decoded using the modified transform skip mode, determine a second TS_Shift value, and recover video data using the second TS_Shift value. | 11-14-2013 |
20140086318 | VIDEO COMPRESSION WITH COLOR SPACE SCALABILITY - An image decoder includes a base layer to decode at least a portion of an encoded video stream into a first image having a first image format. The image decoder can generate a color space prediction by scaling a color space of the first image from the first image format into a color space corresponding to a second image format. The image decoder includes an enhancement layer to decode the encoded video stream to generate a second image in the second image format based, at least in part, on the color space prediction. | 03-27-2014 |
20140247881 | VIDEO DECODER PARALLELIZATION FOR TILES - A method for decoding video includes receiving a frame of the video that includes at least one slice and at least one tile. Each of the at least one slice and the at least one tile are not all aligned with one another. Each of the at least one slice is characterized that it is decoded independently of the other the at least one slice. Each of the at least one tile is characterized that it is a rectangular region of the frame and having coding units for the decoding arranged in a raster scan order. The at least one tile of the frame are collectively arranged in a raster scan order of the frame. | 09-04-2014 |
20140247882 | VIDEO DECODER PARALLELIZATION FOR TILES - A method for decoding video includes receiving a frame of the video that includes at least one slice and at least one tile. Each of the at least one slice and the at least one tile are not all aligned with one another. Each of the at least one slice is characterized that it is decoded independently of the other the at least one slice. Each of the at least one tile is characterized that it is a rectangular region of the frame and having coding units for the decoding arranged in a raster scan order. The at least one tile of the frame are collectively arranged in a raster scan order of the frame. | 09-04-2014 |
20140254671 | VIDEO DECODER PARALLELIZATION FOR TILES - A method for decoding video includes receiving a frame of the video that includes at least one slice and at least one tile. Each of the at least one slice and the at least one tile are not all aligned with one another. Each of the at least one slice is characterized that it is decoded independently of the other the at least one slice. Each of the at least one tile is characterized that it is a rectangular region of the frame and having coding units for the decoding arranged in a raster scan order. The at least one tile of the frame are collectively arranged in a raster scan order of the frame. | 09-11-2014 |
20140254672 | TRACKING A REFERENCE PICTURE ON AN ELECTRONIC DEVICE - A method for tracking a reference picture on an electronic device is described. The method includes receiving a bitstream. The method also includes decoding a portion of the bitstream to produce a decoded reference picture. The method further includes tracking the decoded reference picture in a decoded picture buffer (DPB) with reduced overhead referencing. The method additionally includes decoding a picture based on the decoded reference picture. | 09-11-2014 |
20140294076 | TRACKING A REFERENCE PICTURE ON AN ELECTRONIC DEVICE - A method for tracking a reference picture on an electronic device is described. The method includes receiving a bitstream. The method also includes decoding a portion of the bitstream to produce a decoded reference picture. The method further includes tracking the decoded reference picture in a decoded picture buffer (DPB) with reduced overhead referencing. The method additionally includes decoding a picture based on the decoded reference picture. | 10-02-2014 |