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WO2010102935A1 - Estimation du mode de prédiction pour le mode de codage intra - Google Patents

Estimation du mode de prédiction pour le mode de codage intra Download PDF

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Publication number
WO2010102935A1
WO2010102935A1 PCT/EP2010/052696 EP2010052696W WO2010102935A1 WO 2010102935 A1 WO2010102935 A1 WO 2010102935A1 EP 2010052696 W EP2010052696 W EP 2010052696W WO 2010102935 A1 WO2010102935 A1 WO 2010102935A1
Authority
WO
WIPO (PCT)
Prior art keywords
mode
current block
modes
prediction
selection
Prior art date
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.)
Ceased
Application number
PCT/EP2010/052696
Other languages
English (en)
Inventor
Dominique Thoreau
Edouard Francois
Philippe Bordes
Jérôme Vieron
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thomson Licensing SAS
Original Assignee
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
Publication of WO2010102935A1 publication Critical patent/WO2010102935A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • H04N19/134—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
    • H04N19/102—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
    • H04N19/50—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

Definitions

  • the invention also relates to a method for decoding a current block of an image coded according to an intra predictive coding mode, the coding mode being itself coded from a prediction mode, characterized in that the calculation of the prediction mode comprises the following steps:
  • these default modes can correspond to TPM (Template Matching Prediction) modes as described for example in the document, by authors Y. Suzuki, C. S. Boon, T. K. Tan, entitled Inter Frame Coding with Template Matching Averaging, reference Proc. IEEE Int. Conf. Image Processing ICIP '07, San Antonio, Tx, USA, Sept 2007 or in the International patent application, of inventors D. Thoreau, L Porta, A Orhand, O Le Meur, referenced WO2007/093629, entitled Process for coding images using intra prediction mode.
  • TPM Temporal Matching Prediction
  • the comparison of coding modes relates to the set of these modes, thus equally to the AVC intra predictive coding modes and, when the three neighbouring blocks use the same predictive coding mode, this mode is selected as the prediction mode for the coding mode of the current block.
  • the convolution mask 3x3 is positioned, such that this pixel corresponds to its centre, to calculate the value D relative to this mask.
  • the pixels p are those enabling the mask to be positioned on the single L-zone, that is to say without overlapping the current block, the pixels p on the edge of the current block are thus excluded for this positioning.
  • the energy level of the mode is the energy level of the prediction error on the L-zone, calculated for example according to the following formula:

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

Le procédé de calcul du mode de prédiction comprend les étapes suivantes : calcul des gradients spatiaux (3) en fonction de différentes opérations de filtrage pour une zone reconstruite déjà codée de l'image située dans la zone voisine du bloc actuel, présélection de modes de prédiction préférés (4) parmi des modes de codage sur la base de prédicteurs obtenus à partir des pixels sur le bord immédiat du bloc actuel dans la zone reconstruite déjà codée de l'image, présélection basée sur une minimisation d'un niveau d'énergie associé à chaque filtrage par rapport à un gradient spatial, sélection du mode de prédiction (6), au moins parmi les modes de prédiction présélectionnés, minimisation d'un niveau d'énergie (5) correspondant à l'erreur de prédiction sur ladite zone située dans la zone voisine du bloc actuel. Ce procédé s'applique à la compression des données vidéo.
PCT/EP2010/052696 2009-03-09 2010-03-03 Estimation du mode de prédiction pour le mode de codage intra Ceased WO2010102935A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0951469 2009-03-09
FR0951469 2009-03-09

Publications (1)

Publication Number Publication Date
WO2010102935A1 true WO2010102935A1 (fr) 2010-09-16

Family

ID=42148724

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/052696 Ceased WO2010102935A1 (fr) 2009-03-09 2010-03-03 Estimation du mode de prédiction pour le mode de codage intra

Country Status (2)

Country Link
TW (1) TW201034467A (fr)
WO (1) WO2010102935A1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2987966A1 (fr) * 2012-03-12 2013-09-13 Assistance Tech Et Etude De Materiels Electroniques Codage et decodage d'un signal video
US8787444B2 (en) 2010-07-16 2014-07-22 Sony Corporation Differential coding of intra directions (DCIC)
EP2938074A1 (fr) * 2014-04-24 2015-10-28 Thomson Licensing Procédés de codage et de décodage d'une image et dispositifs correspondants
EP3032830A1 (fr) 2014-12-08 2016-06-15 Thomson Licensing Codage différentiel des modes intra
CN106507109A (zh) * 2011-06-24 2017-03-15 三菱电机株式会社 图像编码装置和方法、图像解码装置和方法以及记录介质
US9699456B2 (en) 2011-07-20 2017-07-04 Qualcomm Incorporated Buffering prediction data in video coding
CN107105236A (zh) * 2010-12-21 2017-08-29 韩国电子通信研究院 视频解码设备
US10785502B2 (en) 2015-09-14 2020-09-22 Interdigital Vc Holdings, Inc. Method and apparatus for encoding and decoding a light field based image, and corresponding computer program product
US20220239930A1 (en) * 2017-10-05 2022-07-28 Interdigital Vc Holdings, Inc. Method and apparatus for adaptive illumination compensation in video encoding and decoding
CN115278232A (zh) * 2015-11-11 2022-11-01 三星电子株式会社 对视频进行解码的方法和对视频进行编码的方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10123050B2 (en) 2008-07-11 2018-11-06 Qualcomm Incorporated Filtering video data using a plurality of filters
US9143803B2 (en) 2009-01-15 2015-09-22 Qualcomm Incorporated Filter prediction based on activity metrics in video coding
US8989261B2 (en) 2011-02-23 2015-03-24 Qualcomm Incorporated Multi-metric filtering

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007093629A1 (fr) 2006-02-17 2007-08-23 Thomson Licensing Procédé de codage d'images au moyen d'un mode de prédiction intra
WO2008052950A1 (fr) * 2006-10-31 2008-05-08 Thomson Licensing Codage video avec selection du mode de codage intra

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007093629A1 (fr) 2006-02-17 2007-08-23 Thomson Licensing Procédé de codage d'images au moyen d'un mode de prédiction intra
WO2008052950A1 (fr) * 2006-10-31 2008-05-08 Thomson Licensing Codage video avec selection du mode de codage intra

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
26L TEST MODEL EDITOR (GISLE BJONTEGAARD) H: "H.26L Test Model Long Term Number 2 (TML-2)", ITU STUDY GROUP 16 - VIDEO CODING EXPERTS GROUP -ISO/IEC MPEG & ITU-T VCEG(ISO/IEC JTC1/SC29/WG11 AND ITU-T SG16 Q6), XX, XX, no. q15i57d0, 30 November 1999 (1999-11-30), XP030003026 *
LI Z G ET AL: "Fast Mode Decision Algorithm for Intraprediction in H.264/AVC Video Coding", IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY, IEEE SERVICE CENTER, PISCATAWAY, NJ, US LNKD- DOI:10.1109/TCSVT.2005.848356, vol. 15, no. 7, 1 July 2005 (2005-07-01), pages 813 - 822, XP011135306, ISSN: 1051-8215 *
MATSUO S ET AL: "Intra prediction with spatial gradient", VISUAL COMMUNICATIONS AND IMAGE PROCESSING; 20-1-2009 - 22-1-2009; SAN JOSE,, 20 January 2009 (2009-01-20), XP030081771 *
Y. SUZUKI; C. S. BOON; T.K. TAN: "Inter Frame Coding with Template Matching Averaging", PROC. IEEE INT. CONF. IMAGE PROCESSING ICIP '07, September 2007 (2007-09-01)
YI GUO ET AL: "Priority-based template matching intra prediction", MULTIMEDIA AND EXPO, 2008 IEEE INTERNATIONAL CONFERENCE ON, IEEE, PISCATAWAY, NJ, USA, 23 June 2008 (2008-06-23), pages 1117 - 1120, XP031312922, ISBN: 978-1-4244-2570-9 *

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8787444B2 (en) 2010-07-16 2014-07-22 Sony Corporation Differential coding of intra directions (DCIC)
CN107105236B (zh) * 2010-12-21 2020-06-09 韩国电子通信研究院 视频解码设备、视频编码设备和计算机可读记录介质
CN107105236A (zh) * 2010-12-21 2017-08-29 韩国电子通信研究院 视频解码设备
CN106507109A (zh) * 2011-06-24 2017-03-15 三菱电机株式会社 图像编码装置和方法、图像解码装置和方法以及记录介质
CN106791880B (zh) * 2011-06-24 2020-03-10 三菱电机株式会社 图像编码装置和方法、图像解码装置和方法以及记录介质
CN106507109B (zh) * 2011-06-24 2019-05-10 三菱电机株式会社 图像编码装置和方法、图像解码装置和方法以及记录介质
CN106791880A (zh) * 2011-06-24 2017-05-31 三菱电机株式会社 图像编码装置和方法、图像解码装置和方法以及记录介质
US9699456B2 (en) 2011-07-20 2017-07-04 Qualcomm Incorporated Buffering prediction data in video coding
FR2987966A1 (fr) * 2012-03-12 2013-09-13 Assistance Tech Et Etude De Materiels Electroniques Codage et decodage d'un signal video
US20150312590A1 (en) * 2014-04-24 2015-10-29 Thomson Licensing Methods for encoding and decoding a picture and corresponding devices
EP2938074A1 (fr) * 2014-04-24 2015-10-28 Thomson Licensing Procédés de codage et de décodage d'une image et dispositifs correspondants
EP2938073A1 (fr) * 2014-04-24 2015-10-28 Thomson Licensing Procédés de codage et de décodage d'une image et dispositifs correspondants
JP2015211466A (ja) * 2014-04-24 2015-11-24 トムソン ライセンシングＴｈｏｍｓｏｎ Ｌｉｃｅｎｓｉｎｇ ピクチャを符号化および復号するための方法ならびに対応するデバイス
CN107113438A (zh) * 2014-12-08 2017-08-29 汤姆逊许可公司 帧内编码模式
WO2016091727A1 (fr) * 2014-12-08 2016-06-16 Thomson Licensing Codage de modes intra
EP3032830A1 (fr) 2014-12-08 2016-06-15 Thomson Licensing Codage différentiel des modes intra
US10785502B2 (en) 2015-09-14 2020-09-22 Interdigital Vc Holdings, Inc. Method and apparatus for encoding and decoding a light field based image, and corresponding computer program product
CN115278232A (zh) * 2015-11-11 2022-11-01 三星电子株式会社 对视频进行解码的方法和对视频进行编码的方法
CN115278231A (zh) * 2015-11-11 2022-11-01 三星电子株式会社 对视频进行解码的设备和对视频进行编码的设备
US12003761B2 (en) 2015-11-11 2024-06-04 Samsung Electronics Co., Ltd. Method and apparatus for decoding video, and method and apparatus for encoding video
US12445642B2 (en) 2015-11-11 2025-10-14 Samsung Electronics Co., Ltd. Method and apparatus for decoding video, and method and apparatus for encoding video
US20220239930A1 (en) * 2017-10-05 2022-07-28 Interdigital Vc Holdings, Inc. Method and apparatus for adaptive illumination compensation in video encoding and decoding
US11711525B2 (en) 2017-10-05 2023-07-25 Interdigital Vc Holdings, Inc. Method and apparatus for adaptive illumination compensation in video encoding and decoding

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