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

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45Management 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
    • H04N21/462Content 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
    • H04N21/4621Controlling 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/129Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/13Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/18Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/20Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding
    • H04N19/29Methods 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]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/33Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the spatial domain
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/48Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/63Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • H04N19/64Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods 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
    • H04N19/94Vector 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)

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AU2012227355B8 (en) * 2009-04-28 2013-07-11 Panasonic Corporation Image decoding method, and image decoding apparatus
KR20110068792A (ko) 2009-12-16 2011-06-22 한국전자통신연구원 적응적 영상 부호화 장치 및 방법
CN106101717B (zh) * 2010-01-12 2019-07-26 Lg电子株式会社 视频信号的处理方法和设备
HUE051391T2 (hu) 2010-04-13 2021-03-01 Ge Video Compression Llc Szignifikancia térképek és transzformációs együttható blokkok kódolása
US8995523B2 (en) * 2011-06-03 2015-03-31 Qualcomm Incorporated Memory efficient context modeling
CN107087187B (zh) * 2011-11-07 2019-12-17 太格文-Ii有限责任公司 图像编码方法及图像编码装置
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
US20130114687A1 (en) * 2011-11-07 2013-05-09 Sharp Laboratories Of America, Inc. Fixed intra run-level mode for cavlc in hevc
US9654139B2 (en) 2012-01-19 2017-05-16 Huawei Technologies Co., Ltd. High throughput binarization (HTB) method 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
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
US20130188736A1 (en) 2012-01-19 2013-07-25 Sharp Laboratories Of America, Inc. High throughput significance map processing for cabac in hevc
US9743116B2 (en) 2012-01-19 2017-08-22 Huawei Technologies Co., Ltd. High throughput coding for CABAC in HEVC
US9538239B2 (en) * 2012-08-13 2017-01-03 Gurulogic Microsystems Oy Decoder and method for decoding encoded input data containing a plurality of blocks or packets
US20160112707A1 (en) * 2014-10-15 2016-04-21 Intel Corporation Policy-based image encoding
EP3278558B1 (en) 2015-03-31 2021-07-21 RealNetworks, Inc. Motion vector selection and prediction in video coding systems and methods
WO2017107072A1 (en) 2015-12-22 2017-06-29 Realnetworks, Inc. Motion vector selection and prediction in video coding systems and methods
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
US20210065005A1 (en) * 2019-08-29 2021-03-04 Alibaba Group Holding Limited Systems and methods for providing vector-wise sparsity in a neural network

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Also Published As

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

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