BRPI0411765A - codificação de decisão modal rápida para inter-quadros - Google Patents

codificação de decisão modal rápida para inter-quadros

Info

Publication number
BRPI0411765A
BRPI0411765A BRPI0411765-4A BRPI0411765A BRPI0411765A BR PI0411765 A BRPI0411765 A BR PI0411765A BR PI0411765 A BRPI0411765 A BR PI0411765A BR PI0411765 A BRPI0411765 A BR PI0411765A
Authority
BR
Brazil
Prior art keywords
macroblock
modes
mode
checked
response
Prior art date
Application number
BRPI0411765-4A
Other languages
English (en)
Inventor
Peng Yin
Alexandros Michael Tourapis
Jill Macdonald Boyce
Original Assignee
Thomson Licensing
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomson Licensing filed Critical Thomson Licensing
Publication of BRPI0411765A publication Critical patent/BRPI0411765A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/19—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding using optimisation based on Lagrange multipliers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/192—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive
    • H04N19/194—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive involving only two passes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • H04N19/197—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters including determination of the initial value of an encoding parameter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

"CODIFICAçãO DE DECISãO MODAL RáPIDA PARA INTER-QUADROS". Um codificador de vídeo (100) e processos (400, 500) correspondentes são previstos para selecionar o modo de um macrobloco corrente de um quadro intercodificado, incluindo um ou mais dentre checagem de primeiros modos para um subconjunto de modos de macrobloco, checagem seletiva de outros modos em resposta às informações do vetor de movimento dos primeiros modos checados, e seleção do modo para o macrobloco corrente em resposta aos modos checados; checagem do modo de macrobloco de, pelo menos, um macrobloco vizinho, e seleção do modo para o macrobloco corrente em resposta ao modo de macrobloco de, pelo menos, um macrobloco vizinho checado; checagem do custo de um subconjunto de modos de macrobloco, checagem adicional somente dos modos intracodificados, se o custo checado satisfazer um critério predeterminado, e seleção do modo para o macrobloco corrente em resposta aos modos checados; e ajuste de um valor limite de parada antecipada, em resposta aos modos de macrobloco checados, e seleção do modo para o macrobloco corrente em resposta aos modos de macrobloco checados, se o valor da parada antecipada ajustada for atingido.
BRPI0411765-4A 2003-06-25 2004-06-17 codificação de decisão modal rápida para inter-quadros BRPI0411765A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US48233103P 2003-06-25 2003-06-25
PCT/US2004/019527 WO2005004491A1 (en) 2003-06-25 2004-06-17 Fast mode-decision encoding for interframes

Publications (1)

Publication Number Publication Date
BRPI0411765A true BRPI0411765A (pt) 2006-08-08

Family

ID=33563851

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0411765-4A BRPI0411765A (pt) 2003-06-25 2004-06-17 codificação de decisão modal rápida para inter-quadros

Country Status (10)

Country Link
US (1) US9210441B2 (pt)
EP (1) EP1639827B1 (pt)
JP (1) JP4968726B2 (pt)
CN (1) CN100594730C (pt)
BR (1) BRPI0411765A (pt)
DE (1) DE602004026580D1 (pt)
ES (1) ES2343410T3 (pt)
MX (1) MXPA05014211A (pt)
MY (1) MY143420A (pt)
WO (1) WO2005004491A1 (pt)

Families Citing this family (76)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7200275B2 (en) 2001-12-17 2007-04-03 Microsoft Corporation Skip macroblock coding
US7003035B2 (en) 2002-01-25 2006-02-21 Microsoft Corporation Video coding methods and apparatuses
US20040001546A1 (en) 2002-06-03 2004-01-01 Alexandros Tourapis Spatiotemporal prediction for bidirectionally predictive (B) pictures and motion vector prediction for multi-picture reference motion compensation
KR20050061762A (ko) * 2003-12-18 2005-06-23 학교법인 대양학원 부호화 모드 결정방법, 움직임 추정방법 및 부호화 장치
US7881386B2 (en) * 2004-03-11 2011-02-01 Qualcomm Incorporated Methods and apparatus for performing fast mode decisions in video codecs
JP4031455B2 (ja) * 2004-03-29 2008-01-09 株式会社東芝 画像符号化装置
JP2005348093A (ja) * 2004-06-03 2005-12-15 Sony Corp 画像処理装置、そのプログラムおよびその方法
KR100654436B1 (ko) * 2004-07-07 2006-12-06 삼성전자주식회사 비디오 코딩 방법과 디코딩 방법, 및 비디오 인코더와디코더
US8649436B2 (en) * 2004-08-20 2014-02-11 Sigma Designs Inc. Methods for efficient implementation of skip/direct modes in digital video compression algorithms
JP4501676B2 (ja) * 2004-12-22 2010-07-14 日本電気株式会社 動画像圧縮符号化方法と動画像圧縮符号化装置並びにプログラム
CN100338957C (zh) * 2005-06-20 2007-09-19 浙江大学 一种复杂度可分级的模式选择方法
US9077960B2 (en) 2005-08-12 2015-07-07 Microsoft Corporation Non-zero coefficient block pattern coding
CN100397906C (zh) * 2005-08-24 2008-06-25 天津大学 一种视频信息的快速帧间模式选择方法
US8155189B2 (en) 2005-10-19 2012-04-10 Freescale Semiconductor, Inc. System and method of coding mode decision for video encoding
US7916796B2 (en) 2005-10-19 2011-03-29 Freescale Semiconductor, Inc. Region clustering based error concealment for video data
US9479794B2 (en) 2005-11-10 2016-10-25 Freescale Semiconductor, Inc. Resource efficient video processing via prediction error computational adjustments
US8788933B2 (en) 2005-12-01 2014-07-22 Nokia Corporation Time-shifted presentation of media streams
US8170102B2 (en) * 2005-12-19 2012-05-01 Seiko Epson Corporation Macroblock homogeneity analysis and inter mode prediction
US7693219B2 (en) 2006-01-04 2010-04-06 Freescale Semiconductor, Inc. System and method for fast motion estimation
JP2007251923A (ja) * 2006-02-15 2007-09-27 Mitsubishi Electric Corp 画像符号化装置および画像符号化方法
US8306118B1 (en) * 2006-03-01 2012-11-06 Maxim Integrated, Inc. High quality low bitrate video coding by enabling and disabling a non-residual mode
US7889789B2 (en) 2006-04-07 2011-02-15 Microsoft Corporation Making interlace frame level coding mode decisions
US20080002770A1 (en) * 2006-06-30 2008-01-03 Nokia Corporation Methods, apparatus, and a computer program product for providing a fast inter mode decision for video encoding in resource constrained devices
KR100773761B1 (ko) 2006-09-14 2007-11-09 한국전자통신연구원 동영상 부호화 장치 및 방법
GB0619570D0 (en) * 2006-10-04 2006-11-15 Univ Bristol Complexity scalable video transcoder and encoder
US9883202B2 (en) 2006-10-06 2018-01-30 Nxp Usa, Inc. Scaling video processing complexity based on power savings factor
US8467448B2 (en) * 2006-11-15 2013-06-18 Motorola Mobility Llc Apparatus and method for fast intra/inter macro-block mode decision for video encoding
US8311120B2 (en) * 2006-12-22 2012-11-13 Qualcomm Incorporated Coding mode selection using information of other coding modes
US8594187B2 (en) * 2007-03-02 2013-11-26 Qualcomm Incorporated Efficient video block mode changes in second pass video coding
CN100558169C (zh) * 2007-03-23 2009-11-04 武汉大学 视频转码中帧间模式的快速选择方法
US8750377B2 (en) 2007-04-12 2014-06-10 Thomson Licensing Method and apparatus for context dependent merging for skip-direct modes for video encoding and decoding
CN101731012B (zh) * 2007-04-12 2013-10-16 汤姆森特许公司 用于视频编码器中的快速几何模式判定的方法和设备
US20080260029A1 (en) * 2007-04-17 2008-10-23 Bo Zhang Statistical methods for prediction weights estimation in video coding
CA2687131A1 (en) * 2007-05-24 2008-11-27 Carmelo Joseph Licciardi Di Stefano A connector
FR2916931A1 (fr) * 2007-05-29 2008-12-05 Thomson Licensing Sas Procede de selection d'une donnee de codage et dispositif de codage implementant ledit procede
WO2008148272A1 (en) * 2007-06-04 2008-12-11 France Telecom Research & Development Beijing Company Limited Method and apparatus for sub-pixel motion-compensated video coding
WO2008156548A1 (en) * 2007-06-12 2008-12-24 Thomson Licensing Methods and apparatus supporting multi-pass video syntax structure for slice data
US8254455B2 (en) 2007-06-30 2012-08-28 Microsoft Corporation Computing collocated macroblock information for direct mode macroblocks
KR101555617B1 (ko) * 2007-10-12 2015-09-24 톰슨 라이센싱 기하학적으로 분할된 쌍방 예측 모드 분할들을 비디오 인코딩 및 디코딩하기 위한 방법 및 장치
US8295342B2 (en) * 2007-11-14 2012-10-23 International Business Machines Corporation Method and system for efficient video compression with low-complexity encoder
CN100594732C (zh) * 2007-11-16 2010-03-17 中国科学院计算技术研究所 一种帧间模式选择方法
FR2925819A1 (fr) * 2007-12-21 2009-06-26 Thomson Licensing Sas Procede de codage double passe par macrobloc
KR20090095316A (ko) * 2008-03-05 2009-09-09 삼성전자주식회사 영상 인트라 예측 방법 및 장치
TWI500308B (zh) * 2008-03-09 2015-09-11 Lg Electronics Inc 視訊訊號之編碼或解碼方法及其裝置
US8982951B2 (en) * 2008-03-10 2015-03-17 Mediatek Inc. Adaptive motion estimation coding
JP4990927B2 (ja) 2008-03-28 2012-08-01 三星電子株式会社 動きベクトル情報の符号化／復号化方法及び装置
JP2009272969A (ja) * 2008-05-09 2009-11-19 Hitachi Ltd 画像符号化装置及び画像符号化方法、画像復号化装置及び画像復号化方法
CN101867818B (zh) * 2008-06-06 2012-08-29 浙江大学 宏块模式的选择方法和装置
US8619856B2 (en) 2008-10-03 2013-12-31 Qualcomm Incorporated Video coding with large macroblocks
US8483285B2 (en) 2008-10-03 2013-07-09 Qualcomm Incorporated Video coding using transforms bigger than 4×4 and 8×8
US8503527B2 (en) 2008-10-03 2013-08-06 Qualcomm Incorporated Video coding with large macroblocks
US8634456B2 (en) 2008-10-03 2014-01-21 Qualcomm Incorporated Video coding with large macroblocks
WO2010044757A1 (en) * 2008-10-17 2010-04-22 Agency For Science, Technology And Research Method for encoding a digital picture, encoder, and computer program element
KR101173560B1 (ko) 2008-12-15 2012-08-13 한국전자통신연구원 고속 모드 결정 장치 및 방법
CN102308586B (zh) * 2009-02-06 2015-03-25 汤姆森特许公司 用于视频编码器和解码器隐式和半隐式帧内模式信令的方法和装置
AU2010228415B2 (en) * 2009-03-23 2016-01-07 Ntt Docomo, Inc. Image predictive encoding device, image predictive encoding method, image predictive encoding program, image predictive decoding device, image predictive decoding method, and image predictive decoding program
US8498330B2 (en) * 2009-06-29 2013-07-30 Hong Kong Applied Science and Technology Research Institute Company Limited Method and apparatus for coding mode selection
JP5216710B2 (ja) * 2009-07-24 2013-06-19 日立コンシューマエレクトロニクス株式会社 復号化処理方法
EP2471264A1 (en) * 2009-08-28 2012-07-04 France Brevets Method for coding a sequence of images
BR112012025407B1 (pt) 2010-04-13 2022-03-22 Samsung Electronics Co, Ltd Método de decodificação de vídeo baseado em unidades de codificação determinadas de acordo com uma estrutura de árvore
US8837592B2 (en) * 2010-04-14 2014-09-16 Mediatek Inc. Method for performing local motion vector derivation during video coding of a coding unit, and associated apparatus
KR101791078B1 (ko) * 2010-04-16 2017-10-30 에스케이텔레콤 주식회사 영상 부호화/복호화 장치 및 방법
CN101848394B (zh) * 2010-05-25 2012-01-18 宁波中科集成电路设计中心有限公司 一种无线视频传感器的avs编码功耗模型优化方法
CN105120280B (zh) 2010-07-20 2018-04-20 株式会社Ntt都科摩 图像预测编码装置及方法、图像预测解码装置及方法
US8902982B2 (en) * 2011-01-17 2014-12-02 Samsung Electronics Co., Ltd. Depth map coding and decoding apparatus and method
CN102129682B (zh) * 2011-03-09 2015-10-07 深圳市云宙多媒体技术有限公司 一种前景背景区域划分方法、系统
US9282338B2 (en) 2011-06-20 2016-03-08 Qualcomm Incorporated Unified merge mode and adaptive motion vector prediction mode candidates selection
US20140002594A1 (en) * 2012-06-29 2014-01-02 Hong Kong Applied Science and Technology Research Institute Company Limited Hybrid skip mode for depth map coding and decoding
WO2014005924A1 (en) * 2012-07-05 2014-01-09 Thomson Licensing Video coding and decoding method with adaptation of coding modes
US9374592B2 (en) * 2012-09-08 2016-06-21 Texas Instruments Incorporated Mode estimation in pipelined architectures
CN102932642B (zh) * 2012-11-13 2015-06-24 北京大学 一种帧间编码快速模式选择方法
US9883187B2 (en) * 2015-03-06 2018-01-30 Qualcomm Incorporated Fast video encoding method with block partitioning
WO2017122604A1 (ja) 2016-01-15 2017-07-20 日本電気株式会社 動画像符号化装置、動画像符号化方法、及び、動画像符号化プログラムが記憶された記憶媒体
CN108810531B (zh) * 2017-05-03 2019-11-19 腾讯科技（深圳）有限公司 视频编码处理方法、装置及电子设备
KR102618692B1 (ko) 2018-06-15 2024-01-02 삼성전자주식회사 노이즈 또는 디서의 영향을 감소시키기 위한 디스플레이 구동 회로 및 방법
CN110149512B (zh) * 2018-09-14 2023-04-14 腾讯科技（深圳）有限公司 帧间预测加速方法、装置、计算机存储介质及设备

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2787944B2 (ja) * 1988-01-11 1998-08-20 富士通株式会社 動き補償動ベクトル探索方法
US5737019A (en) * 1996-01-29 1998-04-07 Matsushita Electric Corporation Of America Method and apparatus for changing resolution by direct DCT mapping
JPH1179584A (ja) 1997-09-09 1999-03-23 Mitsubishi Electric Corp エレベータ用ホールランタン
JPH11243551A (ja) * 1997-12-25 1999-09-07 Mitsubishi Electric Corp 動き補償装置と動画像符号化装置及び方法
EP1263239A3 (en) * 2001-05-30 2005-02-09 Nippon Telegraph and Telephone Corporation Image compression system
US20020196854A1 (en) * 2001-06-15 2002-12-26 Jongil Kim Fast video encoder using adaptive hierarchical video processing in a down-sampled domain
JP3732760B2 (ja) * 2001-06-29 2006-01-11 株式会社東芝 物体認識装置及び物体認識方法
US6980596B2 (en) * 2001-11-27 2005-12-27 General Instrument Corporation Macroblock level adaptive frame/field coding for digital video content
PT2268039E (pt) * 2001-11-21 2015-10-26 Google Technology Holdings LLC Codificação adaptativa de quadro/campo ao nível dos macroblocos para o conteúdo de vídeo digital
EP2339854A3 (en) * 2001-11-30 2013-11-13 NTT DoCoMo, Inc. Moving picture encoding device, moving picture decoding device, moving picture encoding method, moving picture decoding method, program, and computer readable recording medium storing program
AU2002351417A1 (en) * 2001-12-21 2003-07-30 Polycom, Inc. Motion wake identification and control mechanism
JP4130783B2 (ja) * 2002-04-23 2008-08-06 松下電器産業株式会社 動きベクトル符号化方法および動きベクトル復号化方法

Also Published As

Publication number Publication date
JP2007524279A (ja) 2007-08-23
JP4968726B2 (ja) 2012-07-04
MY143420A (en) 2011-05-31
MXPA05014211A (es) 2006-05-31
US9210441B2 (en) 2015-12-08
KR20060027813A (ko) 2006-03-28
ES2343410T3 (es) 2010-07-30
CN1810037A (zh) 2006-07-26
WO2005004491A1 (en) 2005-01-13
DE602004026580D1 (de) 2010-05-27
US20060193385A1 (en) 2006-08-31
CN100594730C (zh) 2010-03-17
EP1639827A1 (en) 2006-03-29
EP1639827B1 (en) 2010-04-14

Similar Documents

Publication Publication Date Title
BRPI0411765A (pt) codificação de decisão modal rápida para inter-quadros
CA2616751A1 (en) Image encoding system based upon boundary strength
CA2377993A1 (en) Method for selection of coding method
CN101605255B (zh) 一种视频编解码的方法及装置
TW200607357A (en) Method and system for dynamic selection of transform size in a video decoder based on signal content
TW376621B (en) Dynamically determining group of picture size during encoding of video sequence
KR100359093B1 (ko) 오류허용모드비디오코덱방법및그장치
KR20040000199A (ko) 이동통신 시스템의 동영상 재생 방법
WO2004047479A3 (en) Smart inter-technology handover control
WO2007120286A3 (en) System and method for fast motion estimation
BR0107706A (pt) Método e dispositivo para codificar uma imagem digital, codificador, decodificador, codec, terminal móvel, e dispositivo de armazenagem
BR0316159A (pt) Resolução de trava de subsìdio pelo ar
BR9914117A (pt) Processo e aparelho para detectar mudanças de cena e ajustar o tipo de codificação de imagem em um codificador de televisão de alta definição
CN106851272A (zh) 一种hdr和sdr自适应码率控制的方法
HK1051761A1 (en) Moving picture encoder and its method.
JP2011182452A (ja) チャネル交換フレーム
JP2003037844A (ja) 動画像符号化装置
JP3778208B2 (ja) 画像符号化装置及び画像符号化方法
EP0878973A4 (en) RADIO COMMUNICATION SYSTEM
KR20020080703A (ko) 디지털 비디오 코딩시 ｂ프레임 코딩 방법
WO1999060772A3 (en) Encoding block-organized data
US20150326874A1 (en) Apparatus and method for coding a video signal
KR20020082276A (ko) 복수 참조 프레임을 이용한 ｂ프레임 코딩시 직접 예측 방법
JP2005303525A (ja) バックグランドスキャン方法
JP2002077922A (ja) 画像制御システム及び画像復号化装置

Legal Events

Date Code Title Description
B15K Others concerning applications: alteration of classification

Ipc: H04N 19/577 (2014.01), H04N 19/105 (2014.01), H04N

B07A Technical examination (opinion): publication of technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B12B Appeal: appeal against refusal
B25G Requested change of headquarter approved

Owner name: THOMSON LICENSING (FR)

B25A Requested transfer of rights approved

Owner name: THOMSON LICENSING DTV (FR)

B25A Requested transfer of rights approved

Owner name: INTERDIGITAL MADISON PATENT HOLDINGS (FR)