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US20140362906 METHOD AND DEVICE FOR ENCODING AND DECODING IMAGE  
A method for decoding an image according to the present invention comprises the steps of: restoring a residual block by performing inverse quantization and inverse transformation for the...
US20120002719 VIDEO ENCODER WITH NON-SYNTAX REUSE AND METHOD FOR USE THEREWITH  
A video encoder includes a non-syntax processing engine that processes a video input signal into an intermediate signal in accordance with a first video compression standard. A syntax section...
US20120320973 METHODS AND APPARATUS FOR A CLASSIFICATION-BASED LOOP FILTER  
Methods and apparatus for a classification-based loop filter are provided. An encoding method encodes an input picture by transforming and quantizing a residue of the input picture to obtain...
US20140029664 FRAME-LEVEL DEPENDENT BIT ALLOCATION IN HYBRID VIDEO ENCODING  
Frame-level dependent bit allocation for hybrid video coding is presented to address issues relating to computational complexity of multi-pass coding of video data. An interframe dependency (IFDM)...
US20090028239 MOVING PICTURE ENCODING METHOD, MOVING PICTURE DECODING METHOD AND APPARATUSES USING THE METHODS  
The moving picture encoding method of the present invention is for orthogonally transforming pixels which constitute a block into coefficients indicating frequencies, quantizing the coefficients,...
US20130101025 INTRA PULSE CODE MODULATION (IPCM) AND LOSSLESS CODING MODE DEBLOCKING FOR VIDEO CODING  
Techniques for coding video data include coding a plurality of blocks of video data, wherein at least one block of the plurality of blocks of video data is coded using a coding mode that is one of...
US20090213929 TRANSCODER  
In a transcoder, a decoder decodes a stream and an encoder encodes the stream again. The encoder calculates the quantization step value by using an average period bit rate (ASn(M)) of a first...
US20120002723 STEREO VIDEO CODING APPARATUS AND STEREO VIDEO CODING METHOD  
A stereo video coding apparatus which codes, out of a first viewpoint video and second viewpoint video, at least a second image included in the second viewpoint video, and includes: a judgment...
US20150078442 METHOD AND DEVICE FOR ENCODING/DECODING IMAGE  
A method and a device for encoding/decoding an image are disclosed. The method for decoding an image comprises the steps of: decoding information on a quantization matrix; and restoring the...
US20090046780 MOVING IMAGE ENCODING APPARATUS,MOVING IMAGE ENCODING METHOD, AND PROGRAM  
A moving image encoding apparatus includes a first-step encoding section for executing a plurality of times first-step encoding by use of different quantization control variables; a code-amount...
US20050249278 Moving image coding method, moving image decoding method, moving image coding device, moving image decoding device, moving image coding program and program product of the same  
A coding mode deciding portion includes a motion vector detecting portion, a prediction image generating portion and an image quality deterioration prediction portion. The image quality...
US20130136172 METHOD AND APPARATUS FOR ENCODING VIDEO, AND DECODING METHOD AND APPARATUS  
The present invention relates to a video encoding method and apparatus for setting and encoding quantization parameters, and to a video decoding method and apparatus for decoding and setting...
US20070201553 Adaptive quantizer, adaptive quantization method and adaptive quantization program  
Adaptive quantization in coding pictures carried by an input video signal. The pictures include first pictures to be coded with motion-compensated prediction and second pictures to be coded with...
US20060018378 Method and system for delivery of coded information streams, related network and computer program product therefor  
A method controls operation of a network wherein at least one coded information stream is delivered to at least one user via at least one link exposed to variable operating conditions. The method...
US20090196348 INTERMEDIATE COMPRESSION OF REFERENCE FRAMES FOR TRANSCODING  
A system (and a method) for compressing reference frames in a video transcoder. A transcoder receives a compressed input stream in a first compressed format and output a compressed output stream...
US20090279604 IMAGE ENCODING METHOD, DEVICE USING THE SAME, AND COMPUTER PROGRAM  
When entropy-encoding a converted quantized amount obtained by converting an image into a frequency region and quantizing it, if the output code bit quantity of the entropy encoding exceeds a...
US20060222066 Intra prediction method and apparatus  
An intra prediction method and apparatus. The intra prediction method of intra predicting a macroblock divided into a plurality of blocks includes intra predicting the plurality of blocks in a...
US20060227870 Context-adaptive bandwidth adjustment in video rate control  
Methods and apparatus encode video at a targeted bit rate and yet permit variation of a Quantization Parameter (QP) to encode video of varying complexity with relatively consistent visual quality....
US20070160138 Encoding and decoding of video images based on a quantization with an adaptive dead-zone size  
The present invention enables to control the encoding of film grain information without adversely affecting the over-all coding efficiency of the encoding process of video data. For this purpose,...
US20050254578 Model based bit rate control for a macroblock encoder  
A method for achieving bit rate controlled encoding, e.g., constant bit rate, uses a bit rate control model based on bits allocated per macroblock and based on error in estimating bits consumed in...
US20110110421 RATE CONTROL METHOD FOR VIDEO ENCODER USING KALMAN FILTER AND FIR FILTER  
A rate control method per block for a video encoder, includes estimating an average bit rate of a block; and determining a variation of a quantization coefficient such that an objective function...
US20050201464 Image coding apparatus and method for predicting motion using rotation matching  
An image coding apparatus and method for increasing the compression rate of a video signal by predicting a motion through rotation matching are provided. In the image coding apparatus for encoding...
US20150195519 VIDEO ENCODER WITH INTRA-PREDICTION CANDIDATE SCREENING AND METHODS FOR USE THEREWITH  
An intra-prediction module includes a candidate screening preprocessor configured to process blocks of picture data based on intra-prediction candidate data corresponding to a plurality of pixels...
US20060256866 Method and system for providing bi-directionally predicted video coding  
A method for providing video coding is disclosed. The method includes encoding at least one segment of a B picture using motion estimation based prediction. During the encoding step, a...
US20110268182 METHOD AND APPARATUS FOR ADAPTIVE QUANTIZATION OF SUBBAND/WAVELET COEFFICIENTS  
According to one implementation, the so present invention provides a method and apparatus to adapt the quantization steps-size used to quantize wavelet coefficients to the average brightness level...
US20090086816 Video Compression and Transmission Techniques  
Embodiments feature families of rate allocation and rate control methods that utilize advanced processing of past and future frame/field picture statistics and are designed to operate with one or...
US20090196346 Transition Creation for Encoded Video in the Transform Domain  
A system and method for calculating data representative of at least one intermediary transition image between a first image and a second image in the encoded domain is disclosed. Cinematic...
US20130034153 VIDEO ENCODING/DECODING APPARATUS AND METHOD  
A video encoding/decoding apparatus and method are disclosed. The video encoding/decoding apparatus includes: a video encoder for generating predicted subblocks by predicting subblocks into which...
US20080240236 Information processing apparatus  
An information processing apparatus is for decoding a video encoded sequence and includes: a CPU that decodes the video encoded sequence by executing software; a GPU that decodes the video encoded...
US20100208797 DISTRIBUTED VIDEO ENCODER AND DECODER, AND DISTRIBUTED VIDEO ENCODING AND DECODING METHOD  
A distributed video encoder and decoder and a distributed video encoding and decoding method through a symmetrical motion prediction and channel division are provided. Side information may be...
US20060233237 Single pass constrained constant bit-rate encoding  
Data, such as video data, is encoded by identifying a data segment to be encoded. The data segment includes multiple frames. A bit-rate profile for encoding the data segment is generated. The...
US20120121010 METHODS FOR CODING AND DECODING A BLOCK OF PICTURE DATA, DEVICES FOR CODING AND DECODING IMPLEMENTING SAID METHODS  
A method for coding a block of picture data is disclosed. The method comprises the following steps: determining a prediction coefficient of a DC coefficient of a block from a DC coefficient of at...
US20050157794 Scalable video encoding method and apparatus supporting closed-loop optimization  
Provided are a method and apparatus for improving the quality of an image output from a decoder by reducing an accumulated error between an original frame available at an encoder and a...
US20090080517 Method and Related Device for Reducing Blocking Artifacts in Video Streams  
A method for reducing blocking artifacts in a video stream comprises receiving a picture of the video stream, wherein the picture includes a plurality of macroblocks and each of the plurality of...
US20070025442 Coding method for coding moving images  
A region setting unit 64 sets multiple global regions in a frame image. A bit number adjustment unit 62 adjusts the number of bits of the local motion vectors LMV which are to be obtained for each...
US20060067400 Method and apparatus for encoding and decoding in inter mode based on multiple scanning  
Provided are a method and apparatus for encoding and decoding in an inter mode based on a multiple scanning through which efficiency of the inter mode is improved by using a spatial relationship...
US20050226335 Method and apparatus for supporting motion scalability  
A method and apparatus for supporting scalability for motion vectors in scalable video coding are provided. The motion estimation apparatus includes a motion estimation module searching for a...
US20090097550 VIDEO CODING APPARATUS AND VIDEO CODING METHOD  
A video coding apparatus includes a quantization unit for quantizing a video data; a binarization unit for converting the quantized video data into binary symbol series; an arithmetic coding unit...
US20110080946 LOCALLY VARIABLE QUANTIZATION AND HYBRID VARIABLE LENGTH CODING FOR IMAGE AND VIDEO COMPRESSION  
A coding method, apparatus, and storage media with instructions to carry out a method. The method operates on an ordered series of transform coefficients of a block of image data, and for a fixed...
US20120183051 METHOD FOR VIDEO ENCODING MODE SELECTION AND VIDEO ENCODING APPARATUS PERFORMING THE SAME  
A method for video encoding mode selection and a video encoding apparatus for performing the method are provided. The method includes transforming an original image block into the frequency domain...
US20120039387 METHOD AND APPARATUS FOR EFFECTIVELY COMPRESSING MOTION VECTORS IN MULTI-LAYER STRUCTURE  
A motion vector compression apparatus includes: a down-sampling module for down-sampling an original frame to have a size of a frame in each layer; a motion vector search module for obtaining a...
US20060013312 Method and apparatus for scalable video coding and decoding  
A method and apparatus for video coding supporting spatial scalability by performing wavelet transform using filters with different coefficients according to wavelet decomposition levels are...
US20130101023 VIDEO ENCODER WITH VIDEO DECODER REUSE AND METHOD FOR USE THEREWITH  
A video encoder includes a forward path section that processes a video input signal in accordance with a video compression standard, based on a plurality of reference pictures, to generate a...
US20120002720 VIDEO ENCODER WITH VIDEO DECODER REUSE AND METHOD FOR USE THEREWITH  
A video encoder includes a forward path section that processes a video input signal in accordance with a video compression standard, based on a plurality of reference pictures, to generate a...
US20110249726 QP ADAPTIVE COEFFICIENTS SCANNING AND APPLICATION  
Entropy encoding is performed in the inventive apparatus and method in response to the scanning of transform coefficients following an initial scanning pattern selected on the basis of probability...
US20080112481 APPARATUS AND METHOD FOR FAST INTRA/INTER MACRO-BLOCK MODE DECISION FOR VIDEO ENCODING  
A fast video encoder (100) and method (500) for selecting (809) Inter macro-block mode or intra macro-block mode is provided. The method can include estimating (502) a rate-distortion cost (801)...
US20050100091 Coded signal separating apparatus, coded signal merging apparatus, coded signal separating and merging system, and methods thereof  
A coded signal separating apparatus, coded signal merging apparatus, coded signal separating and merging system, and methods thereof capable of performing scalable transmission of images are...
US20060222065 System and method for improving video data compression by varying quantization bits based on region within picture  
Presented herein is a system and method for improving video data compression by varying quantization bits based on a region within picture. In one embodiment, there is presented a method for...
US20090279605 ENCODING STREAMING MEDIA AS A HIGH BIT RATE LAYER, A LOW BIT RATE LAYER, AND ONE OR MORE INTERMEDIATE BIT RATE LAYERS  
A method of encoding an input video stream comprising a video component and an audio component is disclosed. The input video stream is split into a plurality of segments, each comprising a...
US20070092001 Moving picture coding apparatus, method and computer program  
A moving picture coding apparatus which codes a moving picture and includes a first extraction unit, which extracts a feature quantity of luminance components of the moving picture, a second...