BR112012017865A2 - técnica de predição espacial para codificação de vídeo - Google Patents

técnica de predição espacial para codificação de vídeo

Info

Publication number
BR112012017865A2
BR112012017865A2 BR112012017865A BR112012017865A BR112012017865A2 BR 112012017865 A2 BR112012017865 A2 BR 112012017865A2 BR 112012017865 A BR112012017865 A BR 112012017865A BR 112012017865 A BR112012017865 A BR 112012017865A BR 112012017865 A2 BR112012017865 A2 BR 112012017865A2
Authority
BR
Brazil
Prior art keywords
block
pixel
current
prediction
video coding
Prior art date
Application number
BR112012017865A
Other languages
English (en)
Inventor
Aurélie Martin
Dominique Thoreau
Edouard Francois
Jérôme Vieron
Philippe Bordes
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 BR112012017865A2 publication Critical patent/BR112012017865A2/pt

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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
    • H04N19/593—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
    • H04N19/10—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
    • H04N19/11—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
    • H04N19/169—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
    • H04N19/169—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
    • H04N19/10—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
    • H04N19/182—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 pixel
    • 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
    • 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
    • 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
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • 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
    • 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)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

"método para codificar e decodificar bloco de imagens" a invenção refere-se a um método para codificar um bloco de pixels que compreende as etapas seguintes: - determinar (10), para cada pixel do bloco atual, um pixel de predição pelo estabelecimento de limite, com um valor de limite atual, de coeficiente resultantes de uma transformação aplicada a uma janela que cobre pelo menos o pixel do bloco atual e por transformação inversa aplicada aos coeficientes de limite, - extrair (12) do bloco atual um bloco de predição formado por pixels de predição, de modo a se gerar um bloco residual, e - codificar (14) o bloco resídual. de acordo com a invenção, o valor de limite atual é determinado ou codificado a partir dos pixels reconstruídos vizinhos do bloco atual.
BR112012017865A 2010-01-25 2011-01-19 técnica de predição espacial para codificação de vídeo BR112012017865A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1050466A FR2955730A1 (fr) 2010-01-25 2010-01-25 Procedes de codage et de decodage
PCT/EP2011/050693 WO2011089158A1 (en) 2010-01-25 2011-01-19 Spatial prediction technique for video coding

Publications (1)

Publication Number Publication Date
BR112012017865A2 true BR112012017865A2 (pt) 2016-04-19

Family

ID=43415367

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012017865A BR112012017865A2 (pt) 2010-01-25 2011-01-19 técnica de predição espacial para codificação de vídeo

Country Status (8)

Country Link
US (1) US9363514B2 (pt)
EP (1) EP2529552A1 (pt)
JP (1) JP5715647B2 (pt)
KR (1) KR101819762B1 (pt)
CN (1) CN102726045B (pt)
BR (1) BR112012017865A2 (pt)
FR (1) FR2955730A1 (pt)
WO (1) WO2011089158A1 (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2955730A1 (fr) * 2010-01-25 2011-07-29 Thomson Licensing Procedes de codage et de decodage
KR101806216B1 (ko) 2013-01-04 2017-12-08 지이 비디오 컴프레션, 엘엘씨 효율적인 확장가능한 코딩 개념
EP2984839B1 (en) 2013-04-08 2020-05-27 GE Video Compression, LLC Coding concept allowing efficient multi-view/layer coding
US11172215B2 (en) * 2018-10-08 2021-11-09 Qualcomm Incorporated Quantization artifact suppression and signal recovery by the transform domain filtering
JP7125330B2 (ja) 2018-11-08 2022-08-24 松本システムエンジニアリング株式会社 自走式木材伐倒搬出機

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW366669B (en) 1996-10-30 1999-08-11 Matsushita Electric Ind Co Ltd Picture encoding device and picture encoding method, picture decoding device and picture decoding method, and data recording media
US6680974B1 (en) * 1999-12-02 2004-01-20 Lucent Technologies Inc. Methods and apparatus for context selection of block transform coefficients
EP2056606A1 (en) 2006-07-28 2009-05-06 Kabushiki Kaisha Toshiba Image encoding and decoding method and apparatus
WO2008048489A2 (en) * 2006-10-18 2008-04-24 Thomson Licensing Method and apparatus for video coding using prediction data refinement
JP4786623B2 (ja) 2007-09-25 2011-10-05 Ｋｄｄｉ株式会社 動画像符号化装置および動画像復号装置
US8670488B2 (en) * 2007-12-21 2014-03-11 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive intra mode selection
EP2924994B1 (en) * 2008-05-07 2016-09-21 LG Electronics, Inc. Method and apparatus for decoding video signal
US8446949B2 (en) * 2008-06-23 2013-05-21 Sungkyunkwan University Foundation For Corporate Collaboration Distributed coded video decoding apparatus and method capable of successively improving side information on the basis of reliability of reconstructed data
KR101458471B1 (ko) * 2008-10-01 2014-11-10 에스케이텔레콤 주식회사 영상 부호화/복호화 방법 및 장치
US8699562B2 (en) * 2008-10-06 2014-04-15 Lg Electronics Inc. Method and an apparatus for processing a video signal with blocks in direct or skip mode
TWI566586B (zh) * 2009-10-20 2017-01-11 湯姆生特許公司 一序列形象的現時區塊之寫碼方法和重建方法
FR2955730A1 (fr) * 2010-01-25 2011-07-29 Thomson Licensing Procedes de codage et de decodage

Also Published As

Publication number Publication date
KR20120118466A (ko) 2012-10-26
FR2955730A1 (fr) 2011-07-29
US20130195181A1 (en) 2013-08-01
US9363514B2 (en) 2016-06-07
KR101819762B1 (ko) 2018-01-17
CN102726045A (zh) 2012-10-10
CN102726045B (zh) 2016-05-04
JP5715647B2 (ja) 2015-05-13
JP2013518456A (ja) 2013-05-20
EP2529552A1 (en) 2012-12-05
WO2011089158A1 (en) 2011-07-28

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Legal Events

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B15K Others concerning applications: alteration of classification

Ipc: H04N 19/593 (2014.01), H04N 19/105 (2014.01), H04N

B06F Objections, documents and/or translations needed after an examination request according art. 34 industrial property law
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)

B06U Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure
B15K Others concerning applications: alteration of classification

Free format text: AS CLASSIFICACOES ANTERIORES ERAM: H04N 19/593 , H04N 19/105 , H04N 19/176 , H04N 19/192 , H04N 19/48 , H04N 19/50 , H04N 19/52 , H04N 19/61

Ipc: H04N 19/593 (2014.01), H04N 19/105 (2014.01), H04N

B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements