FR3092459B1 - Procédé et dispositif de codage et de décodage de données correspondant à une séquence vidéo - Google Patents

Procédé et dispositif de codage et de décodage de données correspondant à une séquence vidéo Download PDF

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Publication number
FR3092459B1
FR3092459B1 FR1900950A FR1900950A FR3092459B1 FR 3092459 B1 FR3092459 B1 FR 3092459B1 FR 1900950 A FR1900950 A FR 1900950A FR 1900950 A FR1900950 A FR 1900950A FR 3092459 B1 FR3092459 B1 FR 3092459B1
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France
Prior art keywords
image
block
spatial resolution
video sequence
coding
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FR1900950A
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English (en)
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FR3092459A1 (fr
Inventor
Glenn Herrou
Jean-Yves Aubié
Wassim Hamidouche
Luce Morin
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Fondation B Com
Original Assignee
Institut National des Sciences Appliquees de Rennes
Fondation B Com
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Application filed by Institut National des Sciences Appliquees de Rennes, Fondation B Com filed Critical Institut National des Sciences Appliquees de Rennes
Priority to FR1900950A priority Critical patent/FR3092459B1/fr
Priority to US17/427,526 priority patent/US20220141475A1/en
Priority to EP20705242.4A priority patent/EP3918798A1/fr
Priority to PCT/FR2020/050101 priority patent/WO2020157413A1/fr
Publication of FR3092459A1 publication Critical patent/FR3092459A1/fr
Application granted granted Critical
Publication of FR3092459B1 publication Critical patent/FR3092459B1/fr
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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
    • H04N19/30—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
    • H04N19/10—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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/187—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 scalable video layer

Landscapes

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

Abstract

L’invention porte sur un procédé de codage de données correspondant à une séquence vidéo, en un flux binaire scalable en résolution spatiale, comprenant une couche de base et au moins une couche d’amélioration. Le procédé comprend pour au moins une image de la séquence vidéo, une obtention à partir de ladite image, d’une première image, un partitionnement de la première image en blocs, chaque bloc ayant une taille donnée, et un codage d’au moins un bloc de la première image pour générer la couche de base, une obtention à partir de ladite image, d’une deuxième image, le procédé comprenant en outre un partitionnement de la deuxième image en blocs en inférant la taille initiale d’au moins l’un des blocs à partir de la taille d’un bloc correspondant dans la première image, ledit au moins un bloc de la deuxième image ayant une résolution spatiale initiale, une détermination d’une résolution spatiale de codage associée audit au moins un bloc à partir d’un ensemble comprenant au moins une résolution spatiale prédéterminée, et un codage de données représentatives dudit au moins un bloc, basé sur la résolution spatiale de codage déterminée, pour générer au moins une couche d’amélioration. Figure pour l’abrégé : Figure 7
FR1900950A 2019-01-31 2019-01-31 Procédé et dispositif de codage et de décodage de données correspondant à une séquence vidéo Active FR3092459B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR1900950A FR3092459B1 (fr) 2019-01-31 2019-01-31 Procédé et dispositif de codage et de décodage de données correspondant à une séquence vidéo
US17/427,526 US20220141475A1 (en) 2019-01-31 2020-01-24 Method and device for coding and decoding data corresponding to a video sequence
EP20705242.4A EP3918798A1 (fr) 2019-01-31 2020-01-24 Procédé et dispositif de codage et de décodage de données correspondant à une séquence vidéo
PCT/FR2020/050101 WO2020157413A1 (fr) 2019-01-31 2020-01-24 Procédé et dispositif de codage et de décodage de données correspondant à une séquence vidéo

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1900950A FR3092459B1 (fr) 2019-01-31 2019-01-31 Procédé et dispositif de codage et de décodage de données correspondant à une séquence vidéo
FR1900950 2019-01-31

Publications (2)

Publication Number Publication Date
FR3092459A1 FR3092459A1 (fr) 2020-08-07
FR3092459B1 true FR3092459B1 (fr) 2022-03-18

Family

ID=66867458

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1900950A Active FR3092459B1 (fr) 2019-01-31 2019-01-31 Procédé et dispositif de codage et de décodage de données correspondant à une séquence vidéo

Country Status (4)

Country Link
US (1) US20220141475A1 (fr)
EP (1) EP3918798A1 (fr)
FR (1) FR3092459B1 (fr)
WO (1) WO2020157413A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11863786B2 (en) * 2021-05-21 2024-01-02 Varjo Technologies Oy Method of transporting a framebuffer

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140044168A1 (en) * 2012-08-13 2014-02-13 Qualcomm Incorporated Device and method for scalable coding of video information
US20200186795A1 (en) * 2018-12-07 2020-06-11 Beijing Dajia Internet Information Technology Co., Ltd. Video coding using multi-resolution reference picture management

Also Published As

Publication number Publication date
WO2020157413A1 (fr) 2020-08-06
EP3918798A1 (fr) 2021-12-08
FR3092459A1 (fr) 2020-08-07
US20220141475A1 (en) 2022-05-05

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