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US20150049805 CODING UNIT QUANTIZATION PARAMETERS IN VIDEO CODING  
A method is provided that includes receiving a coded largest coding unit in a video decoder, wherein the coded largest coding unit includes a coded coding unit structure and a plurality of coded...
US20110274162 Coding Unit Quantization Parameters in Video Coding  
A method is provided that includes receiving a coded largest coding unit in a video decoder, wherein the coded largest coding unit includes a coded coding unit structure and a plurality of coded...
US20140355672 METHOD FOR FOUR-PATH TREE STRUCTURED VECTOR QUANTIZATION  
Disclosed is a method for four-path tree structured vector quantization, comprising: (a) placing codebook vectors where magnitudes of vectors are arranged in order at lowermost nodes; (b)...
US20110051803 Latency Rate Distortion Optimisation  
There is provided an improved latency rate distortion optimisation apparatus comprising a forward quantiser unit (1200) for processing input coefficients (Wij), an inverse quantiser unit (1300)...
US20110090955 Predictive Adaptive Scan Ordering for Video Coding  
An apparatus comprising an inter-prediction motion compensation unit, a transform unit coupled to the inter-prediction motion compensation unit, a quantization unit coupled to the transform unit...
US20130022108 QUANTIZATION PARAMETER DERIVATION FROM QP PREDICTOR  
A method for determining quantization parameters is provided. The method includes determining one or more first units of video content in a grouping of units and analyzing whether the one or more...
US20130188691 QUANTIZATION MATRIX DESIGN FOR HEVC STANDARD  
Quantization (scaling) matrices for HEVC standards using an HVS-based mathematical model and data analysis are described herein. A quadratic parameter model-based quantization matrix design is...
US20130044807 Method and System for Determining Coding Parameters on Variable-Resolution Streams  
Method of determining the coding parameters of a variable-resolution video stream by a video coder, said video stream including multiple resolution layers and being compressed so as to be...
US20130272386 LOOKUP TABLE FOR RATE DISTORTION OPTIMIZED QUANTIZATION  
A computing device, such as a video encoder, uses respective positions of respective coefficients in a coefficient block to look up, in a lookup table, respective quantization offsets for the...
US20110116542 SYMBOL PLANE ENCODING/DECODING WITH DYNAMIC CALCULATION OF PROBABILITY TABLES  
The invention relates to an arithmetic encoding by bit planes (MSB, . . . , LSB), that comprises using tables of probability to have a 0 or 1 bit for encoding each bit plane. According to an...
US20130279569 Binarization Scheme for Intra Prediction Residuals and Improved Intra Prediction in Lossless Coding in HEVC  
A method comprising adaptively updating a value of a Exponential-Golomb (EG) parameter according to a value of at least one encoded prediction residual value, and encoding a prediction residual...
US20120243604 MOVING PICTURE CODING METHOD AND MOVING PICTURE DECODING METHOD  
A moving picture coding apparatus 1 includes: a quantization matrix holding unit (112) that holds a quantization matrix (WM) which has already been transmitted in a parameter set and a matrix ID...
US20120243603 MOVING PICTURE CODING METHOD AND MOVING PICTURE DECODING METHOD  
A moving picture coding apparatus 1 includes: a quantization matrix holding unit (112) that holds a quantization matrix (WM) which has already been transmitted in a parameter set and a matrix ID...
US20110150083 MOVING PICTURE CODING METHOD AND MOVING PICTURE DECODING METHOD  
A moving picture coding apparatus 1 includes: a quantization matrix holding unit (112) that holds a quantization matrix (WM) which has already been transmitted in a parameter set and a matrix ID...
US20110150082 MOVING PICTURE CODING METHOD AND MOVING PICTURE DECODING METHOD  
A moving picture coding apparatus 1 includes: a quantization matrix holding unit (112) that holds a quantization matrix (WM) which has already been transmitted in a parameter set and a matrix ID...
US20130010861 USE OF FRAME CACHING TO IMPROVE PACKET LOSS RECOVERY  
Various new and non-obvious apparatus and methods for using frame caching to improve packet loss recovery are disclosed. One of the disclosed embodiments is a method for using periodical and...
US20120183049 METHODS FOR DELTA-QP SIGNALING FOR DECODER PARALLELIZATION IN HEVC  
By implementing a new bitstream for a Delta-Quantization Parameter (DQP), a decoder is able to implement parallel decoding of multiple coding units within a largest coding unit. In some...
US20130177075 Weighted Prediction Method and Apparatus in Quantization Matrix Coding  
A method for decoding and reconstructing a QM associated with a picture, wherein the method comprises acquiring at least one reference QM and at least one weighting factor associated with the...
US20140286406 METHOD FOR DETERMINING QUANTIZATION PARAMETERS ON BASIS OF SIZE OF CONVERSION BLOCK, AND DEVICE FOR SAME  
Provided are a method and apparatus for determining quantization parameter for a quantization and an inverse quantization performed during a video encoding and decoding. The quantization parameter...
US20110268180 Method and System for Low Complexity Adaptive Quantization  
A method of encoding a block of pixels in a digital video sequence that includes computing an average texture measure for a plurality of blocks of pixels encoded prior to the block of pixels,...
US20150117523 METHOD OF DERIVING QUANTIZATION PARAMETER  
Provided is a method that restores a differential quantization parameter of a current coding unit, generates a quantization parameter predictor of the current coding unit using one or two...
US20140301449 METHOD OF DERIVING QUANTIZATION PARAMETER  
Provided is a method that restores a differential quantization parameter of a current coding unit, generates a quantization parameter predictor of the current coding unit using one or two...
US20140140395 Adaptive Coding Unit (CU) Partitioning Based on Image Statistics  
A method for determining coding unit (CU) partitioning of a largest coding unit (LCU) of a picture is provided that includes computing a first statistical measure and a second statistical measure...
US20130121403 METHOD AND APPARATUS FOR QP MODULATION BASED ON PERCEPTUAL MODELS FOR PICTURE ENCODING  
A method for encoding a picture is disclosed. The method generally includes the steps of (A) generating at least one respective macroblock statistic from each of a plurality of macroblocks in the...
US20120093219 I-Frame Size Estimation Based on Edge Strength  
Various embodiments of the present invention relate to systems, devices and method of video encoding that select a quantization parameter set based on a global edge strength value and an available...
US20150201198 STREAMING MULTIPLE ENCODINGS ENCODED USING DIFFERENT ENCODING PARAMETERS  
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....
US20140247867 EFFECTIVE PREDICTION USING PARTITION CODING  
The way of predicting a current block by assigning constant partition values to the partitions of a bi-partitioning of a block is quite effective, especially in case of coding sample arrays such...
US20110075729 METHOD AND APPARATUS FOR AUTOMATIC VISUAL ARTIFACT ANALYSIS AND ARTIFACT REDUCTION  
A system and method for correcting artifacts present in video frames is disclosed. The system includes a decision module (110) and an artifact correction unit (120). The system receives artifact...
US20140003498 USE OF CHROMA QUANTIZATION PARAMETER OFFSETS IN DEBLOCKING  
Innovations in use of chroma quantization parameter (“QP”) offsets when determining a control parameter for deblock filtering. For example, as part of encoding, an encoder sets a picture-level...
US20130114696 Angular Table for Improving Intra Prediction  
A method of intra prediction comprising computing a prediction block for a luma block, wherein computing the prediction block includes using a plurality of directional intra prediction modes and...
US20140086311 SIGNALING OF SCALING LIST  
In one embodiment, a method determines when a scaling list for a non-default quantization matrix is being used to perform quantization of one or more units of video. Transform unit sizes are...
US20140086310 POWER EFFICIENT ENCODER ARCHITECTURE DURING STATIC FRAME OR SUB-FRAME DETECTION  
Described herein are techniques related to power efficient encoder architecture during static frame or sub-frame detection. In particular, a method of implementing a power savings algorithm is...
US20150023410 METHOD FOR SIMULTANEOUSLY CODING QUANTIZED TRANSFORM COEFFICIENTS OF SUBGROUPS OF FRAME  
A plurality of context adaptive variable length coding (CAVLC) procedures are simultaneously performed to code quantized transform coefficients of subgroups of a target frame. Each of the...
US20130114691 ADAPTIVE INITIALIZATION FOR CONTEXT ADAPTIVE ENTROPY CODING  
In one example, an apparatus for context adaptive entropy coding a video unit comprises a coder configured to code a syntax element, wherein a first value of the syntax element indicates that one...
US20140105282 METHOD FOR CODING VIDEO QUANTIZATION PARAMETER AND METHOD FOR DECODING VIDEO QUANTIZATION PARAMETER  
A video quantization parameter encoder includes: a prediction unit 11 for generating a predicted quantization parameter from a past reconstructed quantization parameter; a computing unit 12 for...
US20150264353 ADAPTIVE INTRA-PREDICTION ENCODING AND DECODING METHOD  
Disclosed is an adaptive intra-prediction encoding and decoding method. The adaptive intra-prediction encoding method comprises the following steps: providing a prediction unit to be encoded;...
US20150010067 ADAPTIVE INTRA-PREDICTION ENCODING AND DECODING METHOD  
Disclosed is an adaptive intra-prediction encoding and decoding method. The adaptive intra-prediction encoding method comprises the following steps: providing a prediction unit to be encoded;...
US20150010066 ADAPTIVE INTRA-PREDICTION ENCODING AND DECODING METHOD  
Disclosed is an adaptive intra-prediction encoding and decoding method. The adaptive intra-prediction encoding method comprises the following steps: providing a prediction unit to be encoded;...
US20150010065 ADAPTIVE INTRA-PREDICTION ENCODING AND DECODING METHOD  
Disclosed is an adaptive intra-prediction encoding and decoding method. The adaptive intra-prediction encoding method comprises the following steps: providing a prediction unit to be encoded;...
US20150010064 ADAPTIVE INTRA-PREDICTION ENCODING AND DECODING METHOD  
Disclosed is an adaptive intra-prediction encoding and decoding method. The adaptive intra-prediction encoding method comprises the following steps: providing a prediction unit to be encoded;...
US20130215963 ADAPTIVE INTRA-PREDICTION ENCODING AND DECODING METHOD  
Disclosed is an adaptive intra-prediction encoding and decoding method. The adaptive intra-prediction encoding method comprises the following steps: providing a prediction unit to be encoded;...
US20150103892 QUANTIZATION MATRIX COMPRESSION IN VIDEO CODING  
A method of quantization matrix compression in a video encoder is provided that includes preprocessing a quantization matrix by performing at least one selected from down-sampling the quantization...
US20120140815 Quantization Matrix Compression in Video Coding  
A method of quantization matrix compression in a video encoder is provided that includes preprocessing a quantization matrix by performing at least one selected from down-sampling the quantization...
US20150245026 SIGNALING SIGNED BAND OFFSET VALUES FOR SAMPLE ADAPTIVE OFFSET (SAO) FILTERING IN VIDEO CODING  
A method for signaling sample adaptive offset (SAO) band offset syntax elements in a video encoder is provided that includes receiving a plurality of band offset syntax elements, entropy encoding...
US20120207209 SYSTEM AND METHOD FOR MITIGATING THE CLIFF EFFECT FOR CONTENT DELIVERY OVER A HETEROGENEOUS NETWORK  
A transmitter, receiver and method for mitigating the cliff effect for content delivery over a heterogeneous network. In one embodiment, the transmitter includes: (1) a joint encoder configured to...
US20080304562 Adaptive selection of picture-level quantization parameters for predicted video pictures  
Techniques and tools for adaptive selection of picture quantization parameters (“QPs”) for predicted pictures are described. For example, a video encoder adaptively selects a delta QP for a...
US20080123741 METHOD AND SYSTEM FOR INTELLIGENT VIDEO ADAPTATION  
A system (100) and method (200) for efficient video adaptation of an input video (102) is provided. The method can include segmenting (210) the input video into a plurality of video shots (142)...
US20130114695 SIGNALING QUANTIZATION MATRICES FOR VIDEO CODING  
The techniques of this disclosure may be generally related to signaling values of a quantization matrix. In some examples, coefficient values in the quantization matrix may be downsampled with...
US20140205006 SUPER MACRO BLOCK BASED INTRA CODING METHOD AND APPARATUS  
Provided are technologies that may perform intra coding of a super macro block that is an enlarged macro block. In this case, the super macro block is handled as a single entity or may be divided...
US20120020409 ESTIMATING SAMPLE-DOMAIN DISTORTION IN THE TRANSFORM DOMAIN WITH ROUNDING COMPENSATION  
Techniques and tools are described for compensating for rounding when estimating sample-domain distortion in the transform domain. For example, a video encoder estimates pixel-domain distortion in...