Match Document Document Title
US20060002466 Prediction encoder/decoder and prediction encoding/decoding method  
A prediction encoder/decoder and a prediction encoding/decoding method. The prediction encoder includes a prediction encoding unit starting prediction from a origin macroblock of an area of...
US20050117654 High-definition dual video decoder and decoding method, and digital broadcasting receiver using the same  
A dual video decoder of a digital broadcasting receiver is provided. The decoder includes: a first PES decoder for decoding a first video PES outputted from a first system decoder, into a first...
US20110243222 METHOD AND APPARATUS FOR ENCODING VIDEO BY USING ADAPTIVE PREDICTION FILTERING, METHOD AND APPARATUS FOR DECODING VIDEO BY USING ADAPTIVE PREDICTION FILTERING  
Encoding and decoding a video using adaptive prediction filtering by encoding prediction filter information in a video bitstream and decoding the video bitstream using the prediction filter...
US20150195522 TRANSFORM AND INVERSE TRANSFORM CIRCUIT AND METHOD  
A transform and inverse transform circuit is provided. The transform and inverse transform circuit includes: at least one quantization and inverse quantization circuit, including at least one...
US20120044989 TECHNIQUES FOR IDENTIFYING BLOCK ARTIFACTS  
Techniques are described that can be used to identify blocking artifacts in both vertical and horizontal directions. For blocking artifacts in a vertical direction, a horizontal gradient is...
US20120057629 Rho-domain Metrics  
Video encoders, systems and methods are described that characterize video encoding processes using a ρ-domain deviation metric. The deviation metric represents a weighted difference between actual...
US20130114688 Video Decoder with Constrained Dynamic Range  
A technique for decoding video including receiving quantized coefficient level values representative of a block of video representative of a plurality of pixels and a quantization parameter...
US20120039386 Limiting the Maximum Size of an Encoded Video Picture Using Sub-Picture Based Rate Control  
A method for encoding a picture in a video sequence is provided that includes determining the current encoded size of the picture after coding a plurality of macroblocks in the picture,...
US20120195356 RESOURCE USAGE CONTROL FOR REAL TIME VIDEO ENCODING  
A video coding system and method that dynamically controls coding parameters to satisfy a resource usage requirement. A resource controller may set parameters or parameter thresholds to change the...
US20120027080 ENCODER AND ENCODING METHOD USING CODED BLOCK PATTERN ESTIMATION  
An encoder includes a motion estimation module configured to perform motion estimation of a current frame based on at least one reference frame, a motion compensation module configured to generate...
US20150010062 CONTENT ADAPTIVE PARAMETRIC TRANSFORMS FOR CODING FOR NEXT GENERATION VIDEO  
Techniques related to content adaptive parametric transforms for coding video are described.
US20140328396 METHOD AND APPARATUS FOR CONTEXT ADAPTIVE BINARY ARITHMETIC CODING OF SYNTAX ELEMENTS  
A method and apparatus for context-adaptive Start arithmetic coding (CABAC) of a syntax element are disclosed. The bin string corresponding to a syntax element is processed by context-adaptive...
US20110051802 SYSTEM AND METHOD FOR VIDEO COMPRESSION USING NON-LINEAR QUANTIZATION AND MODULAR ARITHMETIC COMPUTATION  
A system and method for video compression utilizes non-linear quantization and modular arithmetic computation to perform differential coding on multiple blocks of video data and uses a result of...
US20090161758 CODE AMOUNT CONTROL METHOD, CODE AMOUNT CONTROL DEVICE, AND CAMERA SYSTEM  
The code amount in first video data is counted. The difference between the counted code amount and a predetermined code amount is summed. A target code amount for second video data to be encoded...
US20140010288 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...
US20120014435 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...
US20110019737 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...
US20100246671 DC COEFFICIENT SIGNALING AT SMALL QUANTIZATION STEP SIZES  
Described tools and techniques relate to signaling for DC coefficients at small quantization step sizes. The techniques and tools can be used in combination or independently. For example, a tool...
US20090296809 ENCODING/DECODING DEVICE, ENCODING/DECODING METHOD AND STORAGE MEDIUM  
This is an encoding device for compressing/encoding an input video signal. The encoding device comprises a reduction/conversion unit for converting the format of either a luminance component or a...
US20130272389 Reducing Context Coded and Bypass Coded Bins to Improve Context Adaptive Binary Arithmetic Coding (CABAC) Throughput  
Techniques for context-adaptive binary arithmetic coding (CABAC) coding with a reduced number of context coded and/or bypass coded bins are provided. Rather than using only truncated unary...
US20130322526 VIDEO ENCODING DEVICE, VIDEO DECODING DEVICE, VIDEO ENCODING METHOD, AND VIDEO DECODING METHOD  
In order to increase the encoding efficiency of a quantization step size, this video encoding device comprises a quantization step size encoding unit for encoding a quantization step size that...
US20140177707 ENTROPY CODING OF MOTION VECTOR DIFFERENCES  
An entropy decoder is configured to, for horizontal and vertical components of motion vector differences, derive a truncated unary code from the data stream using context-adaptive binary entropy...
US20050281332 Transform coefficient decoding  
Decoding of H.264 transform coefficients with four arithmetic units in parallel provides efficiency.
US20110122943 MOVING PICTURE CODING METHOD AND MOVING PICTURE CODING DEVICE  
A moving picture coding device according to the present invention includes: a QP deriving unit (106) which derives, based on a moving picture signal, a quantization step and a small quantization...
US20060256853 Moving picture encoding method and moving picture decoding method  
A moving picture coding apparatus (100) includes a coding unit (110) that generates a coded stream by coding inputted pictures and a film grain coding unit (130) that codes a representative...
US20100074326 TRANSCODER UNIT AND METHOD  
A transcoder is provided that achieves lower complexity without picture quality loss. The transcoder may be either an open loop transcoder or a closed loop transcoder.
US20130016771 VIDEO DECODER PARALLELIZATION FOR TILES  
A method for decoding video includes receiving a frame of the video that includes at least one slice and at least one tile. Each of the at least one slice and the at least one tile are not all...
US20140376619 SAMPLE ADAPTIVE OFFSET CONTROL  
Offset values, such as Sample Adaptive Offset (SAO) values in video coding standards such as the High Efficiency Video Coding standard (HEVC), may be improved by performing calculations and...
US20120163450 HYBRID OPEN-LOOP/CLOSED-LOOP COMPRESSION OF PICTURES  
In a method of video coding, in which a difference is formed between input picture values and picture prediction values and that difference is transforming with a DCT, the picture prediction is...
US20130287097 METHOD AND DEVICE FOR DEBLOCKING-FILTERING, AND METHOD AND DEVICE FOR ENCODING AND DECODING USING SAME  
An encoding apparatus for encoding a video signal includes: a prediction unit for generating a prediction block of a current block by using intra prediction or inter prediction; a residual data...
US20150016509 APPARATUSES AND METHODS FOR ADJUSTING A QUANTIZATION PARAMETER TO IMPROVE SUBJECTIVE QUALITY  
Apparatuses and methods for adjusting a quantization parameter to improve subjective quality are described herein. An example apparatus may include an encoder that may be configured to receive a...
US20150117520 RDO-BASED SMALL TRANSFORM COEFFICIENTS SUPPRESSION ALGORITHM FOR HEVC  
A device for implementing a rate-distortion optimization (RDO)-based small transform coefficients suppression algorithm includes a processing module, a control block, and a switch. The processing...
US20090245349 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.
US20070177665 Picture layer rate control for video encoding  
A one-pass picture-layer rate control (RC) method and system for controlling a video encoder: The bit allocation and determination of quantization parameter (QP) in this rate control method and...
US20120057630 LOW COMPLEXITY TRANSFORM CODING USING ADAPTIVE DCT/DST FOR INTRA-PREDICTION  
A method and apparatus encode and decode video by determining whether to use discrete cosine transform (DCT) and DST for each of the horizontal and vertical transforms. During encoding, an...
US20120307891 DECODER WITH DYNAMIC RANGE COMPENSATION  
A system for decoding video including receiving quantized coefficients representative of a block of video representative of a plurality of pixels and dequantizing the quantized coefficients. The...
US20150222906 VIDEO CODING APPARATUS AND VIDEO CODING METHOD  
A video coding apparatus is a video coding apparatus which codes a coding target video based on a coding standard, and includes: a dividing unit which divides an image included in the coding...
US20100303148 MACROBLOCK-BASED DUAL-PASS CODING METHOD  
The method comprises the following steps: during the first pass, a memorization of the M best coding modes and their coding parameters per image macroblock,during the second pass, a calculation,...
US20100086025 QUANTIZATION PARAMETER SELECTIONS FOR ENCODING OF CHROMA AND LUMA VIDEO BLOCKS  
This disclosure describes rules that may be applied during block-based video coding to ensure that quantization parameter selections for luma blocks will not adversely affect the quality of chroma...
US20110255594 Rate Control in Video Coding  
A method of rate control in coding of a video sequence to generate a compressed bit stream is provided that includes computing a sequence base quantization step size for a sequence of pictures in...
US20130003825 DEVICE AND METHOD FOR EXTRACTING CORRELATION PARAMETERS BETWEEN COLOUR PLANES FOR PREDICTION, AND A RECORDING MEDIUM FOR THE SAME  
The present disclosure relates to extracting correlation parameters between color planes for prediction by extracting optimum correlation parameters between the color planes using neighboring...
US20120177109 Speedup Techniques for Rate Distortion Optimized Quantization  
Techniques for selecting a coding mode for an image coding process are described. Coding modes can be selected through a coding mode transition state machine, a re-quantization process, selection...
US20150071343 METHODS AND APPARATUSES INCLUDING AN ENCODING SYSTEM WITH TEMPORALLY ADAPTIVE QUANTIZATION  
Examples methods and apparatuses including an encoding system with temporally adaptive quantization are described herein. An example apparatus may include an encoding system configured to receive...
US20060227868 System and method of reduced-temporal-resolution update for video coding and quality control  
A novel system and method of Reduced-Temporal-Resolution Update (RTRU) and quantizing video transform coefficients is provided for use using hybrid coding standards when receiving a frame from...
US20090097548 ENHANCEMENT LAYER CODING FOR SCALABLE VIDEO CODING  
This disclosure describes scalable video coding techniques. In particular, the techniques may be used to encode refinements of a video block for enhancement layer bit streams in a single coding...
US20100045794 METHOD FOR MARKING A DIGITAL IMAGE WITH A DIGITAL WATER MARK  
The invention relates to a method for marking a digital document, especially a digital image, with a digital watermark for the purpose of manipulation recognition while inserting an integrity...
US20140376616 QUANTIZATION PARAMETER ADJUSTMENT BASED ON SUM OF VARIANCE AND ESTIMATED PICTURE ENCODING COST  
A video processing device includes a rate control module to determine more accurate initial quantization parameters at each scene switching point and to adjust the QP parameters in response to...
US20130034149 COLOR/GRAY PATCH PREVENTION FOR VIDEO CODING  
This disclosure relates to techniques for preventing or reducing the appearance of undesirable color and/or gray patches in decoded video sequences due to generation of out-of-bound quantized...
US20070258519 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...
US20140321534 VIDEO PROCESSORS FOR PRESERVING DETAIL IN LOW-LIGHT SCENES  
Video coding systems and methods are provided that protect against various artifacts (e.g., banding artifacts) in decoded frame content. The embodiments to protect against introducing artifacts...