FR2948845A1 - Procede de decodage d'un flux representatif d'une sequence d'images et procede de codage d'une sequence d'images - Google Patents

Procede de decodage d'un flux representatif d'une sequence d'images et procede de codage d'une sequence d'images Download PDF

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Publication number
FR2948845A1
FR2948845A1 FR0955353A FR0955353A FR2948845A1 FR 2948845 A1 FR2948845 A1 FR 2948845A1 FR 0955353 A FR0955353 A FR 0955353A FR 0955353 A FR0955353 A FR 0955353A FR 2948845 A1 FR2948845 A1 FR 2948845A1
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FR
France
Prior art keywords
average
block
current block
prediction
calculating
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Legal status (The legal status 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 status listed.)
Withdrawn
Application number
FR0955353A
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English (en)
French (fr)
Inventor
Dominique Thoreau
Edouard Francois
Jerome Vieron
Fabien Racape
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Thomson Licensing SAS
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Thomson Licensing SAS
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 SAS filed Critical Thomson Licensing SAS
Priority to FR0955353A priority Critical patent/FR2948845A1/fr
Priority to PCT/EP2010/061013 priority patent/WO2011012669A2/en
Priority to EP10742453.3A priority patent/EP2460355B1/en
Priority to KR1020127002427A priority patent/KR101681353B1/ko
Priority to CN201080033641.7A priority patent/CN102474608B/zh
Priority to US13/388,047 priority patent/US9008178B2/en
Priority to JP2012522170A priority patent/JP5545783B2/ja
Publication of FR2948845A1 publication Critical patent/FR2948845A1/fr
Withdrawn legal-status Critical Current

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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
    • H04N19/10—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
    • H04N19/102—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
    • H04N19/134—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
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
FR0955353A 2009-07-30 2009-07-30 Procede de decodage d'un flux representatif d'une sequence d'images et procede de codage d'une sequence d'images Withdrawn FR2948845A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR0955353A FR2948845A1 (fr) 2009-07-30 2009-07-30 Procede de decodage d'un flux representatif d'une sequence d'images et procede de codage d'une sequence d'images
PCT/EP2010/061013 WO2011012669A2 (en) 2009-07-30 2010-07-29 Method for decoding a stream of coded data representative of a sequence of images and method for coding a sequence of images
EP10742453.3A EP2460355B1 (en) 2009-07-30 2010-07-29 Method for decoding a stream of coded data representative of a sequence of images and method for coding a sequence of images
KR1020127002427A KR101681353B1 (ko) 2009-07-30 2010-07-29 이미지 시퀀스를 나타내는 코딩된 데이터의 스트림을 디코딩하는 방법 및 이미지 시퀀스를 코딩하는 방법
CN201080033641.7A CN102474608B (zh) 2009-07-30 2010-07-29 解码代表图像序列的编码数据流的方法和编码图像序列的方法
US13/388,047 US9008178B2 (en) 2009-07-30 2010-07-29 Method for decoding a stream of coded data representative of a sequence of images and method for coding a sequence of images
JP2012522170A JP5545783B2 (ja) 2009-07-30 2010-07-29 画像シーケンスを表す符号化されたデータのストリームを復号する方法および画像シーケンスを符号化する方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0955353A FR2948845A1 (fr) 2009-07-30 2009-07-30 Procede de decodage d'un flux representatif d'une sequence d'images et procede de codage d'une sequence d'images

Publications (1)

Publication Number Publication Date
FR2948845A1 true FR2948845A1 (fr) 2011-02-04

Family

ID=41719377

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0955353A Withdrawn FR2948845A1 (fr) 2009-07-30 2009-07-30 Procede de decodage d'un flux representatif d'une sequence d'images et procede de codage d'une sequence d'images

Country Status (7)

Country Link
US (1) US9008178B2 (enExample)
EP (1) EP2460355B1 (enExample)
JP (1) JP5545783B2 (enExample)
KR (1) KR101681353B1 (enExample)
CN (1) CN102474608B (enExample)
FR (1) FR2948845A1 (enExample)
WO (1) WO2011012669A2 (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2587803A1 (en) * 2011-10-27 2013-05-01 Thomson Licensing Methods for coding and reconstructing a pixel block and corresponding devices.
RU2510944C2 (ru) * 2012-07-03 2014-04-10 Корпорация "САМСУНГ ЭЛЕКТРОНИКС Ко., Лтд." Способ кодирования/декодирования многоракурсной видео последовательности на основе адаптивной локальной коррекции яркости опорных кадров без передачи дополнительных параметров (варианты)
EP2683165B1 (en) * 2012-07-04 2015-10-14 Thomson Licensing Method for coding and decoding a block of pixels from a motion model
EP2901697A1 (fr) * 2012-09-26 2015-08-05 Thomson Licensing Procede et dispositif de prediction inter-image et procede et appareil de codage correspondants
HK1218820A1 (zh) 2013-09-27 2017-03-10 高通股份有限公司 用於深度幀內預測模式的殘餘譯碼
WO2015042751A1 (en) * 2013-09-27 2015-04-02 Qualcomm Incorporated Residual coding for depth intra prediction modes
EP3084968A4 (en) * 2013-12-16 2017-11-29 McAfee, LLC Process efficient preprocessing for an encryption standard
EP3096518A1 (en) * 2015-05-20 2016-11-23 Thomson Licensing Methods, systems and apparatus for determining prediction adjustment factors
WO2016204360A1 (ko) * 2015-06-16 2016-12-22 엘지전자 주식회사 영상 코딩 시스템에서 조도 보상에 기반한 블록 예측 방법 및 장치
EP4178204A1 (en) * 2015-08-20 2023-05-10 Nippon Hoso Kyokai Image decoding device, and image decoding method
KR102601732B1 (ko) * 2016-05-31 2023-11-14 삼성디스플레이 주식회사 영상 부호화 방법 및 영상 복호화 방법
JP2018056699A (ja) * 2016-09-27 2018-04-05 株式会社ドワンゴ 符号化装置、符号化方法、復号化装置、及び復号化方法
CN120547355A (zh) * 2016-10-11 2025-08-26 Oppo广东移动通信有限公司 依赖于图像编译系统中的帧内预测的图像解码方法和装置
IT201700024294A1 (it) * 2017-03-03 2018-09-03 Sisvel Tech S R L Metodo e apparato per codificare e decodificare immagini o flussi video digitali
CN117395395A (zh) * 2017-03-22 2024-01-12 韩国电子通信研究院 使用参考块的预测方法和装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004007379A (ja) 2002-04-10 2004-01-08 Toshiba Corp 動画像符号化方法及び動画像復号化方法
KR100584552B1 (ko) * 2003-01-14 2006-05-30 삼성전자주식회사 동영상 부호화 및 복호화 방법과 그 장치
EP1790168B1 (en) * 2004-09-16 2016-11-09 Thomson Licensing Video codec with weighted prediction utilizing local brightness variation
WO2006033053A1 (en) 2004-09-21 2006-03-30 Koninklijke Philips Electronics N.V. Method of controller and data carrier drive apparatus for controlling loading means supporting a data carrier
US8457203B2 (en) * 2005-05-26 2013-06-04 Ntt Docomo, Inc. Method and apparatus for coding motion and prediction weighting parameters
KR100813963B1 (ko) 2005-09-16 2008-03-14 세종대학교산학협력단 동영상의 무손실 부호화, 복호화 방법 및 장치
KR100750136B1 (ko) * 2005-11-02 2007-08-21 삼성전자주식회사 영상의 부호화, 복호화 방법 및 장치
FR2893808A1 (fr) 2005-11-22 2007-05-25 Thomson Licensing Sas Procede et dispositif de codage d'une image video
US8498336B2 (en) * 2006-02-02 2013-07-30 Thomson Licensing Method and apparatus for adaptive weight selection for motion compensated prediction
KR101293086B1 (ko) * 2006-02-17 2013-08-06 톰슨 라이센싱 비디오 데이터 밝기 변화를 다루는 지역화된 가중 예측
KR101369746B1 (ko) * 2007-01-22 2014-03-07 삼성전자주식회사 적응적 보간 필터를 이용한 영상 부호화, 복호화 방법 및장치
KR101244917B1 (ko) 2007-06-11 2013-03-18 삼성전자주식회사 조도 보상 방법 및 장치, 이를 이용한 영상의 부호화,복호화 방법 및 장치
CN101159875B (zh) * 2007-10-15 2011-10-05 浙江大学 二重预测视频编解码方法和装置
KR20090090152A (ko) * 2008-02-20 2009-08-25 삼성전자주식회사 영상의 부호화, 복호화 방법 및 장치
TWI498003B (zh) 2009-02-02 2015-08-21 Thomson Licensing 代表一序列圖像的碼式資料連流之解碼方法和一序列圖像之寫碼方法及碼式圖像資料結構
BR112013023405A2 (pt) 2011-03-14 2016-12-13 Thomson Licensing método para a reconstrução e a codificação de um bloco de imagem

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
BOYCE J M: "Weighted prediction in the H.264/MPEG AVC video coding standard", PROCEEDINGS - IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS - 2004 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS - PROCEEDINGS; VOLUME I OF V: ANALOG SIGNAL PROCESSING 2004 INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS INC. US, IEEE, 23 May 2004 (2004-05-23), pages III-789 - III-792, XP010719383, ISBN: 978-0-7803-8251-0 *
PENG YIN ET AL: "Localized Weighted Prediction for Video Coding", IEEE,, 23 May 2005 (2005-05-23), pages 4365 - 4368, XP010816640, ISBN: 978-0-7803-8834-5 *
RAE-HONG PARK ET AL: "Fast local motion-compensation algorithm for video sequences with brightness variations", IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY, IEEE SERVICE CENTER, PISCATAWAY, NJ, US, vol. 13, no. 4, 1 April 2003 (2003-04-01), pages 289 - 299, XP011096132, ISSN: 1051-8215 *

Also Published As

Publication number Publication date
WO2011012669A3 (en) 2011-04-14
WO2011012669A2 (en) 2011-02-03
US20120128068A1 (en) 2012-05-24
KR101681353B1 (ko) 2016-11-30
JP5545783B2 (ja) 2014-07-09
CN102474608A (zh) 2012-05-23
CN102474608B (zh) 2014-10-29
EP2460355B1 (en) 2016-08-31
JP2013500661A (ja) 2013-01-07
KR20120039675A (ko) 2012-04-25
EP2460355A2 (en) 2012-06-06
US9008178B2 (en) 2015-04-14

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