Patent application number | Description | Published |
20080219354 | Methods and Systems for Scalable-to-Non-Scalable Bit-Stream Rewriting - Aspects of the present invention relate to systems and methods for selectively determining a quantization parameter based on coding parameters. In some embodiments, a quantization parameter selection may be based on the presence of non-zero transform coefficients as well as other parameters. Some embodiments relate to rewriting a multi-layer bitstream to a single-layer bitstream with a quantization parameter selected with reference to transform coefficients. Some embodiments convert a scalable, multi-layer video sequence into a single-layer, non-scalable video sequence that is compatible with legacy devices. | 09-11-2008 |
20090245349 | Methods and Systems for Parallel Video Encoding and Decoding - Aspects of the present invention are related to systems and methods for parallel video encoding and decoding. | 10-01-2009 |
20100027680 | Methods and Systems for Parallel Video Encoding and Decoding - Aspects of the present invention are related to systems and methods for parallel video encoding and decoding. | 02-04-2010 |
20100183071 | Methods and Systems for Enhanced Dynamic Range Images and Video from Multiple Exposures - Aspects of the present invention relate to systems and methods for video coding and decoding. Some aspects relate to coding and decoding of enhanced dynamic range video sequences based on a series of low-dynamic-range (LDR) frames, captured at a first exposure configuration, that are multi-plexed with a series of enhancement frames that are captured at a second exposure configuration. | 07-22-2010 |
20110026604 | METHODS, DEVICES AND SYSTEMS FOR PARALLEL VIDEO ENCODING AND DECODING - A method for decoding a video bitstream is disclosed. The method comprises: entropy decoding a first portion ( | 02-03-2011 |
20110249731 | Methods and Systems for Intra Prediction - Aspects of the present invention relate to systems and methods for intra prediction. According to one aspect of the present invention, a macroblock may be partitioned into two, or more, sets of blocks. The pixel values for a block within a first set of blocks may be predicted using reconstructed values from only neighboring macroblocks. The pixel values for a block within another set of blocks may be subsequently predicted using reconstructed values from blocks in previously reconstructed sets of blocks and/or reconstructed values from neighboring macroblocks. The pixel values for blocks within a set of blocks may be predicted in parallel. | 10-13-2011 |
20110249732 | Methods and Systems for Intra Prediction - Aspects of the present invention relate to systems and methods for intra prediction. According to one aspect of the present invention, a macroblock may be partitioned into two, or more, sets of blocks. The pixel values for a block within a first set of blocks may be predicted using reconstructed values from only neighboring macroblocks. The pixel values for a block within another set of blocks may be subsequently predicted using reconstructed values from blocks in previously reconstructed sets of blocks and/or reconstructed values from neighboring macroblocks. The block residuals for the first set of blocks may be signaled, and the block residuals for subsequently predicted blocks may be signaled. The pixel values for blocks within a set of blocks may be predicted in parallel. | 10-13-2011 |
20110249733 | Methods and Systems for Intra Prediction - Aspects of the present invention relate to systems and methods for intra prediction. According to one aspect of the present invention, a macroblock may be partitioned into two, or more, sets of blocks. According to a second aspect of the present invention, when a block is in a first set of blocks, a predicted intra-prediction mode for the block may be predicted based on the intra-prediction modes of available blocks within the first set and of blocks in available neighboring macroblocks. According to a third aspect of the present invention, when a block is in the first set of blocks, a predicted intra-prediction mode for the block may be predicted based on the intra-prediction modes of blocks in available neighboring macroblocks. | 10-13-2011 |
20110249734 | Methods and Systems for Intra Prediction - Aspects of the present invention relate to systems and methods for intra prediction. According to one aspect of the present invention, a macroblock may be partitioned into two, or more, sets of blocks. According to another aspect of the present invention, the pixel values for a block within a first set of blocks may be predicted using reconstructed values from only neighboring macroblocks, wherein the reconstructed values may be weighted according to their distance from the block. | 10-13-2011 |
20110249735 | Methods and Systems for Intra Prediction - Aspects of the present invention relate to systems and methods for intra prediction. According to one aspect of the present invention, a macroblock may be partitioned into two, or more, sets of blocks. The pixel values for a block within a first set of blocks may be predicted using reconstructed values from only neighboring macroblocks. The pixel values for a block within another set of blocks may be subsequently predicted using reconstructed values from blocks in previously reconstructed sets of blocks and/or reconstructed values from neighboring macroblocks. A reconstructed block used in the prediction may be above, below, to left of or to the right of the block being predicted. The pixel values for blocks within a set of blocks may be predicted in parallel. | 10-13-2011 |
20110249736 | Codeword restriction for high performance video coding - A system for encoding and/or decoding video that includes the use of restricted codewords. The use of restricted codewords permits a reduction in the bit-rate of the video bit stream without substantially impacting the resulting image quality. | 10-13-2011 |
20110249741 | Methods and Systems for Intra Prediction - Aspects of the present invention relate to systems and methods for intra prediction. According to a first aspect of the present invention, a pixel value, in a first block of a macroblock, may be predicted according to a first-direction intra-prediction mode when a flag has a first value and may be predicted according to a second-direction intra-prediction mode when the flag has a second value, wherein the first-direction intra-prediction mode and the second-direction intra-prediction mode are associated with opposite prediction directions. | 10-13-2011 |
20110249743 | Super-block for high performance video coding - A system for encoding and/or decoding video that includes the use of super blocks. The use of super blocks permits a reduction in the bit-rate of the video bit stream. | 10-13-2011 |
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 |
20120014436 | PARALLEL VIDEO CODING BASED ON BLOCK SIZE - A system encoding and decoding video that uses a parallel encoding and decoding technique. | 01-19-2012 |
20120014437 | PARALLEL VIDEO CODING BASED ON SAME SIZED BLOCKS - A system encoding and decoding video that uses a parallel encoding and decoding technique. | 01-19-2012 |
20120014438 | PARALLEL VIDEO CODING BASED ON PREDICTION TYPE - A system encoding and decoding video that uses a parallel encoding and decoding technique. | 01-19-2012 |
20120014439 | PARALLEL VIDEO CODING BASED ON SCAN ORDER - A system encoding and decoding video that uses a parallel encoding and decoding technique. | 01-19-2012 |
20120014440 | PARALLEL VIDEO CODING BASED ON MAPPING - A system encoding and decoding video that uses a parallel encoding and decoding technique. | 01-19-2012 |
20120014441 | PARALLEL VIDEO CODING BASED ON BOUNDARIES - A system encoding and decoding video that uses a parallel encoding and decoding technique. | 01-19-2012 |
20120201294 | METHODS FOR PARALLEL VIDEO ENCODING AND DECODING - Aspects of the present invention are related to methods and devices for parallel video encoding and decoding. Aspects can include a method for encoding a video frame of a video sequence in an encoder, comprising partitioning a frame of a video sequence into at least one reconstruction slice, thereby producing a first reconstruction slice, and partitioning said first reconstruction slice into a plurality of entropy slices, wherein a number of bins associated with each entropy slice in said plurality of entropy slices is less than or equal to a predefined number of bins. | 08-09-2012 |
20120236936 | Video coding based on edge determination - A system encoding and decoding video using intra prediction that uses an edge based determination technique together with smoothing filters. | 09-20-2012 |
20140092985 | CONTENT INITIALIZATION FOR ENHANCEMENT LAYER CODING - A system for decoding a video bitstream includes receiving a frame of the video that includes at least one slice and at least one tile and where each of the at least one slice and the at least one tile are not all aligned with one another. | 04-03-2014 |