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US20140133551 METHOD FOR IMAGE INTERPOLATION USING ASYMMETRIC INTERPOLATION FILTER AND APPARATUS THEREFOR  
A sub-pel-unit image interpolation method using a transformation-based interpolation filter includes, selecting, based on a sub-pel-unit interpolation location in a region supported by a plurality...
US20050238100 Video encoding method for encoding P frame and B frame using I frames  
This invention discloses a video encoding method for encoding P frames and B frames using I frames. The video encoding method includes: I frame encoding process, which generates encoded I frames...
US20070217506 Soft decision and iterative video coding for MPEG and H.264  
A method of encoding video data using soft decision quantization makes use of iterative encoding to provide the ability to optimize encoding across different functional elements in a hybrid video...
US20110305276 ITERATIVE COMPUTATION OF ADAPTIVE INTERPOLATION FILTER  
The invention is an apparatus and method for estimating an optimized sub-pixel interpolation filter using iterative estimations as needed for sub-pixel motion compensation and motion estimation in...
US20120328005 CONSTRUCTION OF COMBINED LIST USING TEMPORAL DISTANCE  
In one embodiment, a method receives a current picture of video content. The method then determines a set of reference pictures for the current picture and a temporal distance from the current...
US20110002381 BITRATE CONTROL ALGORITHM FOR VIDEO TRANSCODING SYSTEMS  
A video transcoding system and method employing an improved rate control algorithm. A plurality of frames in an input video bitstream are received by the system, in which each frame is in a first...
US20060188014 Video coding and adaptation by semantics-driven resolution control for transport and storage  
A method and system for modifying the spatial and/or temporal resolution and/or signal to noise ratio of temporal and/or spatial segments of compressed video based on semantic properties of the...
US20140192862 METHODS AND SYSTEMS FOR PREDICTION FILTERING IN VIDEO CODING  
Methods of encoding and decoding video, in particular chroma components, using filtered predictions, are described. An intra or inter predicted block is first filtered before being used to...
US20120224627 HARMONIC QUANTIZER SCALE  
A digital media encoder/decoder performs quantization/dequantization based on quantization parameters taken from a harmonic quantizer scale. The harmonic quantizer scale can include a normal...
US20120320971 BINARIZATION OF DQP USING SEPARATE ABSOLUTE VALUE AND SIGN (SAVS) IN CABAC  
Video coding systems or apparatus utilizing context-based adaptive binary arithmetic coding (CABAC) during encoding and/or decoding, are configured according to the invention with an enhanced...
US20150237346 RATE CONTROL IN VIDEO ENCODING  
A video encoder and method of video encoding are provided. At an encoding stage a selected degree of quantization is applied to the encoding of macroblocks of the input video sequence and...
US20050175091 Rate and quality controller for H.264/AVC video coder and scene analyzer therefor  
A rate control system is disclosed for video coding applications. The rate controller assigns a quantization parameter for video data in a picture in response to complexity indicators indicative...
US20150124872 COLOR BLENDING PREVENTION IN VIDEO CODING  
A method for color blending prevention in video coding may include selecting, in a mode decision phase of an encoding of a current video frame, to encode an output bitstream in skip mode, wherein...
US20140185667 EFFICIENT RE-TRANSCODING OF KEY-FRAME-ALIGNED UNENCRYPTED ASSETS  
Systems and methods are provided for re-transcoding portions of a digital media file while maintaining key-frame alignment across a set of digital media files having the same content. Instead of...
US20130114689 ADAPTIVE SEARCH RANGE METHOD FOR MOTION ESTIMATION AND DISPARITY ESTIMATION  
An adaptive search range method for motion/disparity estimation is provided in multi-view video coding (MVC) technology. The method uses a initial search range as a first search range, perform an...
US20060126730 Intra prediction apparatus and intra prediction method  
To provide an intra prediction apparatus which can circumvent a hazard problem and improve the time reduction effect. An intra prediction apparatus 11 performs intra predictions of a picture. The...
US20150103891 METHOD FOR DECODING CHROMA IMAGE  
Provided is a method that derives a chroma intra prediction mode of a prediction unit, determines a size of a current chroma block using luma transform size information, generates a chroma...
US20150098501 METHOD FOR DECODING CHROMA IMAGE  
Provided is a method that derives a chroma intra prediction mode of a prediction unit, determines a size of a current chroma block using luma transform size information, generates a chroma...
US20150063448 METHOD FOR DECODING CHROMA IMAGE  
Provided is a method that derives a chroma intra prediction mode of a prediction unit, determines a size of a current chroma block using luma transform size information, generates a chroma...
US20120307890 TECHNIQUES FOR ADAPTIVE ROUNDING OFFSET IN VIDEO ENCODING  
Techniques adaptive rounding offset in video encoding are described. An apparatus may comprise a rounding offset adaptation component operative to adjust a quantization parameter rounding factor...
US20150189319 COLOR INDEX CODING FOR PALETTE-BASED VIDEO CODING  
In palette-based coding, a video coder may form a so-called “palette” as a table of colors representing the video data of a given block. The video coder may code index values for one or more...
US20130223520 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...
US20130016774 INTRA PREDICTION DECODING APPARATUS  
Provided is an intra prediction decoding apparatus that restores quantized residual coefficients, intra prediction information and size information on a prediction unit from a received bit stream,...
US20150098502 METHOD FOR DECODING CHROMA IMAGE  
Provided is a method that derives a chroma intra prediction mode of a prediction unit, determines a size of a current chroma block using luma transform size information, generates a chroma...
US20130215960 DEVICE AND METHOD FOR COMPETITION-BASED INTRA PREDICTION ENCODING/DECODING USING MULTIPLE PREDICTION FILTERS  
An intra prediction encoding apparatus includes: an optimal filter selecting unit for providing a plurality of extrapolation prediction filter candidates for filtering pixels adjacent to a current...
US20060056508 Video coding rate control  
Video encoding (such as H.263, MPEG4, H.264) modifies TMN5-type frame skipping and quantization parameter updates according to buffer fullness levels and makes I-frame initial quantization...
US20120069896 EFFICIENT CODING COMPLEXITY ESTIMATION FOR VIDEO TRANSCODING SYSTEMS  
Systems and methods of transcoding video bitstreams that employ highly efficient look-ahead approaches to video transcoding. The systems and methods perform video transcoding in the pixel domain...
US20120257673 METHOD OF REMOVING A BLOCKING PHENOMENON USING PROPERTIES OF TWO BLOCKS  
In one embodiment, the method includes obtaining a coded block pattern of first and second blocks. The coded block pattern may be one of a plurality of coded block patterns, the plurality of coded...
US20090274209 MULTISTANDARD HARDWARE VIDEO ENCODER  
Described herein are a number of approaches for implementing a multistandard video encoder. In several embodiments, a single encoder supports multiple video encoding standards via dedicated...
US20140328390 METHOD, DEVICE AND SYSTEM FOR CHANGING QUANTIZATION PARAMETER FOR CODING UNIT IN HEVC  
A method of individually setting the quantization parameter for each coding unit of a frame in high efficiency video coding (HEVC) is disclosed. The method for setting a quantization parameter for...
US20150229948 VIDEO CODEC ARCHITECTURE FOR NEXT GENERATION VIDEO  
Techniques related to video codec architecture for next generation video are described.
US20100316119 PRESERVING TEXT QUALITY IN VIDEO ENCODING  
A video encoder receives a macro-block of an image frame, and determines whether the macro-block contains text. The video encoder computes a quantization parameter for quantizing the macro-block,...
US20150085922 APPARATUSES AND METHODS FOR REDUCING RATE AND DISTORTION COSTS DURING ENCODING BY MODULATING A LAGRANGIAN PARAMETER  
Examples of apparatuses and methods for reducing rate and distortion costs during encoding by modulating a Lagrangian parameter are described herein. An example apparatus may include an encoder...
US20150195530 METHOD OF GENERATING RECONSTRUCTED BLOCK  
Provided is a method that derives an intra prediction mode of a prediction unit, determines a size of a current block using transform size information, generates a prediction block of the current...
US20150189275 METHOD OF GENERATING RECONSTRUCTED BLOCK  
Provided is a method that derives an intra prediction mode of a prediction unit, determines a size of a current block using transform size information, generates a prediction block of the current...
US20150189274 METHOD OF GENERATING RECONSTRUCTED BLOCK  
Provided is a method that derives an intra prediction mode of a prediction unit, determines a size of a current block using transform size information, generates a prediction block of the current...
US20150189273 METHOD OF GENERATING RECONSTRUCTED BLOCK  
Provided is a method that derives an intra prediction mode of a prediction unit, determines a size of a current block using transform size information, generates a prediction block of the current...
US20140247868 METHOD OF GENERATING RECONSTRUCTED BLOCK  
Provided is a method that derives an intra prediction mode of a prediction unit, determines a size of a current block using transform size information, generates a prediction block of the current...
US20120044988 FAST ALGORITHM ADAPTIVE INTERPOLATION FILTER (AIF)  
An apparatus and method are taught for estimating an optimized sub-pixel interpolation filter using iterative and non-iterative estimations as needed for sub-pixel motion compensation and motion...
US20130016773 APPARATUS OF GENERATING PREDICTION BLOCK  
Provided is an intra prediction decoding apparatus that restores quantized residual coefficients, intra prediction information and size information on a prediction unit from a received bit stream,...
US20140161177 METHODS AND APPARATUSES FOR ENCODING AND DECODING ADAPTIVE QUANTIZATION PARAMETER BASED ON QUADTREE STRUCTURE  
The present invention relates to a method and apparatus for encoding/decoding an image, and to a method and apparatus for recording a quantization parameter differential value based on a quadtree...
US20080260278 Encoding adjustments for animation content  
Techniques and tools are described for encoding animation video. In some embodiments, a video encoder designates animation video for encoding as animation content, which typically involves...
US20050190836 Process for maximizing the effectiveness of quantization matrices in video codec systems  
A method and apparatus evaluates quantization matrices used in video codec systems. Two primary factors are considered in making these estimates. The first is the human visual system contrast...
US20130301709 METHOD AND APPARATUS FOR ENCODING/DECODING VIDEO USING BIDIRECTIONAL INTRA PREDICTION  
The present disclosure provides a method and apparatus for encoding and decoding a video. In particular, the apparatus for encoding a video includes an offset calculator to calculate an offset...
US20110150076 RATE CONTROL FOR TWO-PASS ENCODER USING ADAPTIVE QUANTIZATION PARAMETERS  
A two-pass encoder determines a quantization parameter (QP) value to control an actual number of bits consumed in a second encoding pass. The two-pass encoder includes a first encoding module, a...
US20130287099 Block Artifact Suppression in Video Coding  
A method for encoding a video sequence in a video encoder is provided that includes adapting a quantization parameter of a block of pixels in a picture of the video sequence based on a transform...
US20130039411 VIDEO ENCODING DEVICE, VIDEO ENCODING METHOD, AND VIDEO ENCODING PROGRAM  
A video encoding device includes a re-encoding picture type judgment unit which judges whether a picture is to be taken as a reference picture or not in a subsequent re-encoding process, and a...
US20110249724 DIRECTIONAL DISCRETE WAVELET TRANSFORM (DDWT) FOR VIDEO COMPRESSION APPLICATIONS  
An apparatus and method for encoding video using directional discrete waveform transforms (DDWT), such as within a codec device. DDWT can be utilized to replace the use of intra transforms and...
US20070237222 Adaptive B-picture quantization control  
The present application is directed to techniques and tools for adapting the quantizer as well as the quantization step size used during video encoding. For example, a video encoder uses a...
US20080165844 CAVLC ENHANCEMENTS FOR SVC CGS ENHANCEMENT LAYER CODING  
Context-adaptive variable length coding (CAVLC) for scalable video coding (SVC) coarse granular scalability (CGS) enhancement layer coding that utilizes the number of coefficients larger than one...