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US20130188689 VIDEO ENCODING CONTROL USING NON-EXCLUSIVE CONTENT CATEGORIES  
In some embodiments, macroblock-level encoding parameters are assigned to weighted linear combinations of corresponding content-category-level encoding parameters. For example, a macroblock...
US20140153643 MEAN ABSOLUTE DIFFERENCE PREDICTION FOR VIDEO ENCODING RATE CONTROL  
Mean absolute difference (MAD) prediction for video encoding may be provided. Upon receiving a video stream comprising a plurality of quality layers, a first quantization parameter (QP) may be...
US20140328395 METHOD AND APPARATUS FOR DEQUANTIZATION OF TRANSFORMED COEFFICIENTS  
A method and apparatus for de-quantizing a transform coefficient from a quantization level are disclosed. Embodiments according to the present invention avoid overflow of the de-quantized...
US20140133550 METHOD OF ENCODING AND DECODING FLOWS OF DIGITAL VIDEO FRAMES, RELATED SYSTEMS AND COMPUTER PROGRAM PRODUCTS  
A first video frame and a second video frame in a flow of digital video frames are encoded by extracting for the frames in question respective sets of keypoints and descriptors, with each...
US20140036998 QUANTIZATION PARAMETER FOR BLOCKS CODED IN THE PCM MODE  
The present invention relates to coding of an image of a video sequence block wisely and, in particular, to coding of a block of samples, which may be chrominace or luminance samples, or samples...
US20120082215 Simplified Binary Arithmetic Coding Engine  
A method of entropy coding in a video encoder is provided that includes assigning a first bin to a first single-probability bin encoder based on a probability state of the first bin, wherein the...
US20130223519 Method Of Removing A Blocking Artifact Using Quantization Information in a Filtering System  
In one embodiment, the method includes obtaining quantization information related to at least one of a first block and an adjacent second block, comparing the quantization information with a...
US20110090953 BUDGET ENCODING  
A method includes receiving streaming media data having a media frame and a frame index referencing the media frame; allocating a frame budget for an output media frame by estimating a frame size...
US20120195372 JOINT FRAME RATE AND RESOLUTION ADAPTATION  
A video coder employs techniques for applying frame rate adaptation and variable resolution adaptation in response to environmental coding factors present at the coding terminal. According to such...
US20130272390 UNIFORM GRANULARITY FOR QUANTIZATION MATRIX IN VIDEO CODING  
The techniques of this disclosure are directed toward the use of modified quantization parameter (QP) values to calculate quantized and dequantized transform coefficients of a video block with...
US20130101024 DETERMINING BOUNDARY STRENGTH VALUES FOR DEBLOCKING FILTERING FOR VIDEO CODING  
A video coder associates a first boundary strength value with an edge in response to determining that a first video block or a second video block is associated with an intra-predicted coding unit...
US20060133477 Combined video decoder and watermark creator  
A method and apparatus that inserts watermark signal into decoded video pictures where the watermark creation function is combined with the video decoder and makes use of compressed domain...
US20150201197 STREAMING MULTIPLE ENCODINGS WITH VIRTUAL STREAM IDENTIFIERS  
A system for streaming multiple encodings of a source video stream is disclosed. A source video device system captures and/or receives source video comprising a plurality of source video frames....
US20120051421 METHODS AND APPARATUS FOR IMPROVED QUANTIZATION ROUNDING OFFSET ADJUSTMENT FOR VIDEO ENCODING AND DECODING  
There are provided methods and apparatus for improved quantization rounding offset adjustment for video encoding and decoding. An apparatus includes a video encoder for encoding an input coding...
US20130322527 Method and Apparatus for Quantization Level Clipping  
A method and apparatus for clipping a transform coefficient are disclosed. Embodiments according to the present invention avoid overflow of the quantized transform coefficient by clipping the...
US20140348228 METHOD OF CONTENT ADAPTIVE VIDEO ENCODING  
A method of content adaptive encoding video comprising segmenting video content into segments based on predefined classifications or models. Based on the segment classifications, each segment is...
US20110310961 VIDEO RATE CONTROL BASED ON TRANSFORM-COEFFICIENTS HISTOGRAM  
A quantization factor is determined using information from a histogram of transform coefficients that are produced from a transformed video frame. The histogram is used in estimating an encoded...
US20130188693 CHROMA QUANTIZATION PARAMETER EXTENSION  
The quantization parameters (QP) for Chroma are extended up to and more preferably to the same range as Luma QP (e.g., 0 to 51). Previous, values of Chroma QP only extended up to 39. Techniques...
US20140355673 METHOD OF REMOVING A BLOCKING ARTIFACT USING QUANTIZATION INFORMATION IN A FILTERING SYSTEM  
In one embodiment, the method includes obtaining quantization information related to at least one of a first block and an adjacent second block, comparing the quantization information with a...
US20130215962 Method Of Removing A Blocking Artifact Using Quantization Information in a Filtering System  
In one embodiment, the method includes obtaining quantization information related to at least one of a first block and an adjacent second block, comparing the quantization information with a...
US20130101027 DEBLOCKING CONTROL BY INDIVIDUAL QUANTIZATION PARAMETERS  
The present invention relates to deblocking filtering, which may be advantageously applied for block-wise encoding and decoding of image or video signal. In particular, the present invention...
US20120300835 PIXEL-BY-PIXEL WEIGHTING FOR INTRA-FRAME CODING  
Techniques for improving the accuracy of prediction in intra-frame coding. A prediction mode can specify a pixel along a direction independently of other pixels along the same direction. In an...
US20150124870 METHODS AND APPARATUSES FOR MULTI-PASS ADAPTIVE QUANTIZATION  
A video encoding method for encoding a stream of baseband video data. The stream of baseband video data is received as a plurality of coding units. Statistics of each coding unit in the plurality...
US20140334540 ENCODER AND ENCODING METHOD, DECODER AND DECODING METHOD, AND PROGRAM  
The present technology relates to an encoder and an encoding method, a decoder and a decoding method, and a program by which encoding efficiency is able to be improved by constraining an...
US20130003826 Video Game System Using Pre-Encoded Macro-Blocks and a Reference Grid  
A method and related system of generating a frame of video is disclosed. In the method, a request is received and a frame of video is generated using a plurality of pre-encoded macro-blocks....
US20150043633 ADAPTIVE QUANTIZATION FOR ENHANCEMENT LAYER VIDEO CODING  
Techniques and tools for encoding enhancement layer video with quantization that varies spatially and/or between color channels are presented, along with corresponding decoding techniques and...
US20140294070 ADAPTIVE QUANTIZATION FOR ENHANCEMENT LAYER VIDEO CODING  
Techniques and tools for encoding enhancement layer video with quantization that varies spatially and/or between color channels are presented, along with corresponding decoding techniques and...
US20140307780 Method for Video Coding Using Blocks Partitioned According to Edge Orientations  
A bitstream corresponding to an encoded video is decoded. The encoded video includes a sequence of frames, and each frame is partitioned into encoded blocks. For each encoded block, an edge mode...
US20130272383 RATE CONTROL FOR CONTENT TRANSCODING  
The disclosed subject matter relates to rate control aspects for content transcoding. A rate control scheme for transcoding is disclsoed that is considerate of quantization parameters related to...
US20140098855 LOSSLESS INTRA-PREDICTION VIDEO CODING  
Blocks of a frame of a video stream can be encoded using lossless inter-frame prediction encoding. The compression ratio of lossless inter-frame encoding can be improved by first examining the...
US20140348227 METHOD FOR ENCODING/DECODING A QUANTIZATION COEFFICIENT, AND APPARATUS USING SAME  
The present invention relates to a method for encoding/decoding a quantization coefficient, and to an apparatus using same. The decoding method can include the steps of: decoding initial...
US20130251030 INTER LAYER TEXTURE PREDICTION FOR VIDEO CODING  
An apparatus for coding video information according to certain aspects is disclosed. Multi-layer video steams including a base layer and an enhancement layer can be coded. Predictors generated for...
US20060256860 Transcoding with look-ahead  
Described herein is a video encoder that includes a memory unit, a selector, and an encoding processor. The memory unit stores a plurality of pictures. The selector accesses the plurality of...
US20130208791 METHOD OF REMOVING A BLOCKING ARTIFACT USING QUANTIZATION INFORMATION IN A FILTERING SYSTEM  
In one embodiment, the method includes obtaining quantization information related to at least one of a first block and an adjacent second block, comparing the quantization information with a...
US20140241419 MULTI-STREAM OPTIMIZATION  
Methods and systems are provided for transmitting multiple video streams to clients based on individual preferences of the clients and network conditions. A cost-function minimization problem is...
US20150071348 METHOD OF CONSTRUCTING MERGE LIST  
Provided is a method checks availability of spatial merge candidates and a temporal merge candidate, constructs a merge candidate list using available spatial and temporal merge candidates, and...
US20150071347 METHOD OF CONSTRUCTING MERGE LIST  
Provided is a method checks availability of spatial merge candidates and a temporal merge candidate, constructs a merge candidate list using available spatial and temporal merge candidates, and...
US20140286402 MOVING PICTURE CODING DEVICE, MOVING PICTURE CODING METHOD, AND MOVING PICTURE CODING PROGRAM, AND MOVING PICTURE DECODING DEVICE, MOVING PICTURE DECODING METHOD, AND MOVING PICTURE DECODING PROGRAM  
In a moving picture coding device that codes moving pictures in units of a block by partitioning a first block, which is obtained by partitioning each picture of the moving pictures into...
US20120294355 VIDEO TRANSCODING WITH DYNAMICALLY MODIFIABLE SPATIAL RESOLUTION  
An apparatus and method are disclosed for transcoding a compressed video stream. In one embodiment, a compressed video stream is decoded. A spatial resolution of the decoded video stream can then...
US20120243605 Compression Using Range Coding With Virtual Sliding Window  
Information to be transmitted may be compressed using range coding for adaptive arithmetic coding with a virtual sliding window. Cost and complexity of coding may be reduced in some cases.
US20110090954 Video Codes with Directional Transforms  
An encoded video in the form of a bitstream includes a sequence of frames, and each frame is partitioned into encoded blocks. A context for decoding is selected for each encoded block. The...
US20130089136 Spatial Intra Prediction Estimation Based on Mode Suppression in Macroblocks of a Video Frame  
A method includes determining whether spatial intra prediction of pixels of a macroblock of a video frame is to be performed at a macroblock level or a sub-macroblock level. The method also...
US20150172650 TECHNIQUES FOR RATE-DISTORTION OPTIMIZATION IN VIDEO COMPRESSION  
Various embodiments are generally directed to techniques for reducing processing and/or storage resource requirements for RDO in compressing motion video. A device to compress motion video...
US20120314764 Macroblock-Level Adaptive Quantization in Quality-Aware Video Optimization  
A method of optimizing an encoded video stream comprising one or more video frames, each video frame comprising a plurality of macroblocks, each macroblock comprising a plurality of pixels. The...
US20130235928 ADVANCED CODING TECHNIQUES  
Embodiments of the present invention provide techniques for efficiently coding/decoding video data during circumstances when constraints are imposed on the video data. A frame from a video...
US20130114683 VIDEO DECODER WITH ENHANCED SAMPLE ADAPTIVE OFFSET  
A decoder decodes video received in a bitstream containing quantized coefficients representative of blocks of video representative of a plurality of pixels and a plurality of offset type...
US20060104353 Video signal preprocessing to minimize prediction error  
Systems and methods for preprocessing a video signal are disclosed. In one method, a video signal is preprocessed prior to encoding by a motion compensated prediction encoding system. The method...
US20140036997 METHODS AND ELECTRONIC DEVICES FOR QUANTIZATION AND DE-QUANTIZATION  
Electronic devices for de-quantization are disclosed. In one configuration, the electronic device includes a local storage storing a plurality of first user-defined sub-factors and a plurality of...
US20050265445 Transcoding videos based on different transformation kernels  
A method and system transcodes an input video based on a first transformation kernel to an output video based on a second transformation kernel. The first and second transformation kernels are...
US20150071345 CHROMA QUANTIZATION IN VIDEO CODING  
A method of signaling additional chroma QP offset values that are specific to quantization groups is provided, in which each quantization group explicitly specifies its own set of chroma QP offset...