[go: up one dir, main page]

MX2009009489A - Sistema y método para codificación y decodificación de video. - Google Patents

Sistema y método para codificación y decodificación de video.

Info

Publication number
MX2009009489A
MX2009009489A MX2009009489A MX2009009489A MX2009009489A MX 2009009489 A MX2009009489 A MX 2009009489A MX 2009009489 A MX2009009489 A MX 2009009489A MX 2009009489 A MX2009009489 A MX 2009009489A MX 2009009489 A MX2009009489 A MX 2009009489A
Authority
MX
Mexico
Prior art keywords
vector
sub
decoding
video encoding
coefficient
Prior art date
Application number
MX2009009489A
Other languages
English (en)
Inventor
Justin Ridge
Xianglin Wang
Original Assignee
Nokia Corp
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 Nokia Corp filed Critical Nokia Corp
Publication of MX2009009489A publication Critical patent/MX2009009489A/es

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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4621—Controlling the complexity of the content stream or additional data, e.g. lowering the resolution or bit-rate of the video stream for a mobile client with a small screen
    • 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
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/18—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 a set of transform coefficients
    • 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
    • H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding
    • H04N19/29—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding involving scalability at the object level, e.g. video object layer [VOL]
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/33—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the spatial domain
    • 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
    • H04N19/48—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using compressed domain processing techniques other than decoding, e.g. modification of transform coefficients, variable length coding [VLC] data or run-length data
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • H04N19/64—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by ordering of coefficients or of bits for transmission
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/94—Vector quantisation

Landscapes

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

Abstract

Un método de codificación de video comprende dividir un vector de coeficientes en dos o más sub-vectores tiene una longitud menor o igual que una longitud del vector de coeficiente, indicando un tamaño de cada sub-vector y una posición de cada sub-vector dentro del vector de coeficientes, y formar un bloque correspondiente a cada sub-vector.
MX2009009489A 2007-03-13 2008-03-12 Sistema y método para codificación y decodificación de video. MX2009009489A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US89466707P 2007-03-13 2007-03-13
PCT/IB2008/050905 WO2008110999A2 (en) 2007-03-13 2008-03-12 System and method for video encoding and decoding

Publications (1)

Publication Number Publication Date
MX2009009489A true MX2009009489A (es) 2009-11-05

Family

ID=39705269

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2009009489A MX2009009489A (es) 2007-03-13 2008-03-12 Sistema y método para codificación y decodificación de video.

Country Status (11)

Country Link
US (1) US9055338B2 (es)
EP (1) EP2137981B1 (es)
KR (1) KR101083051B1 (es)
CN (1) CN101658042B (es)
AR (1) AR065722A1 (es)
CA (1) CA2679995C (es)
MX (1) MX2009009489A (es)
RU (2) RU2420023C1 (es)
TW (1) TWI452908B (es)
WO (1) WO2008110999A2 (es)
ZA (1) ZA200907078B (es)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7082450B2 (en) 2001-08-30 2006-07-25 Nokia Corporation Implementation of a transform and of a subsequent quantization
US9118944B2 (en) * 2009-02-05 2015-08-25 Cisco Technology, Inc. System and method for rate control in a network environment
AU2012227355B8 (en) * 2009-04-28 2013-07-11 Panasonic Corporation Image decoding method, and image decoding apparatus
TW201336313A (zh) * 2009-04-28 2013-09-01 松下電器產業股份有限公司 圖像編碼方法及圖像編碼裝置
KR20110068792A (ko) 2009-12-16 2011-06-22 한국전자통신연구원 적응적 영상 부호화 장치 및 방법
WO2011087271A2 (ko) * 2010-01-12 2011-07-21 엘지전자 주식회사 비디오 신호의 처리 방법 및 장치
CN108881910B (zh) 2010-04-13 2021-01-26 Ge视频压缩有限责任公司 解码显著性图的装置
US8995523B2 (en) * 2011-06-03 2015-03-31 Qualcomm Incorporated Memory efficient context modeling
US20130114687A1 (en) * 2011-11-07 2013-05-09 Sharp Laboratories Of America, Inc. Fixed intra run-level mode for cavlc in hevc
JP6080375B2 (ja) 2011-11-07 2017-02-15 キヤノン株式会社 画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム
ES2938079T3 (es) * 2011-11-07 2023-04-04 Tagivan Ii Llc Método de descodificación de imágenes y dispositivo de descodificación de imágenes
FR2982447A1 (fr) 2011-11-07 2013-05-10 France Telecom Procede de codage et decodage d'images, dispositif de codage et decodage et programmes d'ordinateur correspondants
US9743116B2 (en) 2012-01-19 2017-08-22 Huawei Technologies Co., Ltd. High throughput coding for CABAC in HEVC
US9860527B2 (en) 2012-01-19 2018-01-02 Huawei Technologies Co., Ltd. High throughput residual coding for a transform skipped block for CABAC in HEVC
US10616581B2 (en) 2012-01-19 2020-04-07 Huawei Technologies Co., Ltd. Modified coding for a transform skipped block for CABAC in HEVC
US20130188736A1 (en) 2012-01-19 2013-07-25 Sharp Laboratories Of America, Inc. High throughput significance map processing for cabac in hevc
US9654139B2 (en) 2012-01-19 2017-05-16 Huawei Technologies Co., Ltd. High throughput binarization (HTB) method for CABAC in HEVC
GB2505169B (en) * 2012-08-13 2016-03-16 Gurulogic Microsystems Oy decoder and method
US20160112707A1 (en) * 2014-10-15 2016-04-21 Intel Corporation Policy-based image encoding
CN107534765B (zh) * 2015-03-31 2020-10-02 瑞尔数码有限公司 视频编码系统和方法中的运动矢量选择和预测
EP3395072A4 (en) 2015-12-22 2019-05-22 RealNetworks, Inc. MOTION VECTOR SELECTION AND FORECASTING IN VIDEO PROCESSING SYSTEMS AND METHOD
US10666984B2 (en) * 2016-03-08 2020-05-26 Qualcomm Incorporated Apparatus and method for vector-based entropy coding for display stream compression
US10873437B2 (en) * 2016-08-11 2020-12-22 Sharp Kabushiki Kaisha Systems and methods for frequency-division duplex transmission time interval operation
WO2021040921A1 (en) * 2019-08-29 2021-03-04 Alibaba Group Holding Limited Systems and methods for providing vector-wise sparsity in a neural network

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5272529A (en) 1992-03-20 1993-12-21 Northwest Starscan Limited Partnership Adaptive hierarchical subband vector quantization encoder
US5295203A (en) * 1992-03-26 1994-03-15 General Instrument Corporation Method and apparatus for vector coding of video transform coefficients
TW224553B (en) * 1993-03-01 1994-06-01 Sony Co Ltd Method and apparatus for inverse discrete consine transform and coding/decoding of moving picture
US5854858A (en) 1995-06-07 1998-12-29 Girod; Bernd Image signal coder operating at reduced spatial resolution
DE19637522A1 (de) 1996-09-13 1998-03-19 Bosch Gmbh Robert Verfahren zur Reduzierung von Daten in Videosignalen
US6011498A (en) * 1996-12-20 2000-01-04 Philips Electronics North America Corporation Dual-speed variable length decoding architecture for MPEG-2 video data
US20030176406A1 (en) * 1999-05-28 2003-09-18 Mcgill University Polycaprolactone-b-poly (ethylene oxide) copolymer non-cross-linked micelles as a delivery vehicle for steroid
RU2199727C2 (ru) 2001-04-25 2003-02-27 Самарский институт инженеров железнодорожного транспорта Стенд для испытания турбокомпрессора двигателя внутреннего сгорания
US7162097B1 (en) * 2001-05-29 2007-01-09 Cisco Technology, Inc. Methods and apparatus for transform coefficient filtering
EP1296524A1 (en) * 2001-09-20 2003-03-26 STMicroelectronics S.r.l. Process and apparatus for the compression of digital video signals, a system and a computer program product therefor
EP1459239B1 (en) 2001-12-24 2012-04-04 L-1 Secure Credentialing, Inc. Covert variable information on id documents and methods of making same
CN1620816A (zh) 2002-01-22 2005-05-25 诺基亚有限公司 图像/视频编码器和/或解码器中的编码变换系数
US6795584B2 (en) * 2002-10-03 2004-09-21 Nokia Corporation Context-based adaptive variable length coding for adaptive block transforms
JP3679083B2 (ja) 2002-10-08 2005-08-03 株式会社エヌ・ティ・ティ・ドコモ 画像符号化方法、画像復号方法、画像符号化装置、画像復号装置、画像符号化プログラム、画像復号プログラム
US6646578B1 (en) * 2002-11-22 2003-11-11 Ub Video Inc. Context adaptive variable length decoding system and method
US8565314B2 (en) * 2006-10-12 2013-10-22 Qualcomm Incorporated Variable length coding table selection based on block type statistics for refinement coefficient coding
US8467449B2 (en) 2007-01-08 2013-06-18 Qualcomm Incorporated CAVLC enhancements for SVC CGS enhancement layer coding
PT2123052E (pt) * 2007-01-18 2011-03-02 Fraunhofer Ges Forschung Corrente de dados de vídeo de qualidade escalonável

Also Published As

Publication number Publication date
WO2008110999A3 (en) 2008-11-20
AR065722A1 (es) 2009-06-24
RU2420023C1 (ru) 2011-05-27
CA2679995C (en) 2014-06-03
RU2011108534A (ru) 2012-09-10
US20080225955A1 (en) 2008-09-18
TW200845763A (en) 2008-11-16
CN101658042B (zh) 2016-03-02
WO2008110999A2 (en) 2008-09-18
EP2137981A2 (en) 2009-12-30
CN101658042A (zh) 2010-02-24
US9055338B2 (en) 2015-06-09
CA2679995A1 (en) 2008-09-18
KR20090132597A (ko) 2009-12-30
TWI452908B (zh) 2014-09-11
KR101083051B1 (ko) 2011-11-16
EP2137981B1 (en) 2012-07-25
ZA200907078B (en) 2014-03-26

Similar Documents

Publication Publication Date Title
MX2009009489A (es) Sistema y método para codificación y decodificación de video.
EP3779886A4 (en) TRIMDIMENSIONAL DATA CODING AND DECODING PROCESS AND TRIDMENSIONAL DATA ENCODING AND DECODING DEVICE
WO2011155714A3 (ko) 엣지-적응 변환을 이용한 영상 부호화/복호화 시스템 및 방법
PH12014501465A1 (en) Determining contexts for coding transform coefficient data in video coding
MY165376A (en) Method and apparatus for encoding video by using deblocking filtering, and method and apparatus for decoding video by using deblocking filtering
MY175536A (en) Method and apparatus for entropy encoding/decoding a transform coefficient
WO2011140211A3 (en) Coding unit quantization parameters in video coding
MY200990A (en) Entrophy Coding of a Video and Entropy Decoding of a Video
WO2010068020A3 (ko) 다시점 영상 부호화, 복호화 방법 및 그 장치
WO2011155704A3 (ko) 깊이 전이 데이터를 이용한 3d 비디오 인코딩/디코딩 장치 및 방법
WO2011126277A3 (en) Low complexity entropy-encoding/decoding method and apparatus
MX2008011652A (es) Metodos y aparatos para usarse en un sistema de codificacion de video de multiples vistas.
IN2014CN00319A (es)
WO2012088453A3 (en) Variable length coding of video block coefficients
PT2827327T (pt) Método para codificação de impulsos de excitação
MY177645A (en) Video encoding method for encoding hierarchical-structure symbols and a device thereof, and video decoding method for decoding hierarchical-structure symbols and a device thereof
PL2146436T3 (pl) Sposób, urządzenie i system do kodowania i dekodowania wieloopisowego
PL3249924T3 (pl) Urządzenie do predykcyjnego kodowania obrazu, sposób predykcyjnego kodowania obrazu, urządzenie do predykcyjnego dekodowania obrazu i sposób predykcyjnego dekodowania obrazu
WO2014005081A3 (en) Coding of significance flags
EP2385522A4 (en) METHOD AND DEVICE FOR ENCODING DECODING OF A SIGNAL, SYSTEM AND ASSOCIATE
PL2105028T3 (pl) Sposób i system do kodowania sygnału wideo, zakodowany sygnał wideo, sposób i system do dekodowania sygnału wideo
WO2013186543A3 (en) Method of coding video transmissions
WO2011124167A3 (zh) 编码方法及设备、解码方法及设备、编解码系统
HK1218195A1 (zh) 画面块的编码和解码方法、对应的设备和数据流
EP4195674A4 (en) METHOD, DEVICE AND SYSTEM FOR ENCODING AND DECODING

Legal Events

Date Code Title Description
HH Correction or change in general
FG Grant or registration