FR3088511B1 - Procede de decodage d’au moins une image, procede de codage, dispositifs, signal et programmes d’ordinateur correspondants. - Google Patents

Procede de decodage d’au moins une image, procede de codage, dispositifs, signal et programmes d’ordinateur correspondants. Download PDF

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Publication number
FR3088511B1
FR3088511B1 FR1860360A FR1860360A FR3088511B1 FR 3088511 B1 FR3088511 B1 FR 3088511B1 FR 1860360 A FR1860360 A FR 1860360A FR 1860360 A FR1860360 A FR 1860360A FR 3088511 B1 FR3088511 B1 FR 3088511B1
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France
Prior art keywords
devices
signal
computer programs
decoding process
image decoding
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Active
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FR1860360A
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English (en)
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FR3088511A1 (fr
Inventor
Felix Henry
Gordon Clare
Pierrick Philippe
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Fondation B Com
Original Assignee
Orange SA
Fondation B Com
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
Priority to FR1860360A priority Critical patent/FR3088511B1/fr
Application filed by Orange SA, Fondation B Com filed Critical Orange SA
Priority to KR1020217017590A priority patent/KR20210090230A/ko
Priority to EP19808990.6A priority patent/EP3878174A1/fr
Priority to JP2021525162A priority patent/JP2022511689A/ja
Priority to US17/291,813 priority patent/US11641463B2/en
Priority to PCT/EP2019/080369 priority patent/WO2020094703A1/fr
Priority to JP2021525170A priority patent/JP2022506991A/ja
Priority to US17/292,215 priority patent/US20210407140A1/en
Priority to EP19797295.3A priority patent/EP3878182A1/fr
Priority to KR1020217017586A priority patent/KR20210087082A/ko
Priority to CN201980074021.9A priority patent/CN113348670A/zh
Priority to PCT/EP2019/080374 priority patent/WO2020094706A1/fr
Priority to CN201980074041.6A priority patent/CN113273190A/zh
Publication of FR3088511A1 publication Critical patent/FR3088511A1/fr
Application granted granted Critical
Publication of FR3088511B1 publication Critical patent/FR3088511B1/fr
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    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3002—Conversion to or from differential modulation
    • H03M7/3044—Conversion to or from differential modulation with several bits only, i.e. the difference between successive samples being coded by more than one bit, e.g. differential pulse code modulation [DPCM]
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3059—Digital compression and data reduction techniques where the original information is represented by a subset or similar information, e.g. lossy compression
    • H03M7/3064—Segmenting
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/60—General implementation details not specific to a particular type of compression
    • H03M7/6005—Decoder aspects
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/60—General implementation details not specific to a particular type of compression
    • H03M7/6011—Encoder aspects
    • 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
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
    • 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
    • H04N19/10—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
    • H04N19/167—Position within a video image, e.g. region of interest [ROI]
    • 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
    • H04N19/182—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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/436—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation using parallelised computational arrangements
    • 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

Abstract

L'invention concerne un procédé de codage ou de décodage d'au moins une image, une image étant découpée en blocs d'éléments, ledit procédé comprenant, pour au moins un bloc: - le découpage (E1) du bloc en au moins deux zones ; - le traitement (E2) d'au moins une dite zone, comprenant le parcours des éléments de la zone selon un ordre de parcours prédéterminé, et pour au moins un élément parcouru, dit élément courant : ○ sélection (E21) d'au moins un élément prédicteur précédemment codé ou décodé selon une fonction de prédiction ; ○ prédiction (E25) de l'élément courant : ▪ à partir du au moins un élément prédicteur, si l'au moins un élément prédicteur voisin appartient à ladite zone; ▪ à partir d'au moins une valeur de remplacement, sinon.
FR1860360A 2018-11-09 2018-11-09 Procede de decodage d’au moins une image, procede de codage, dispositifs, signal et programmes d’ordinateur correspondants. Active FR3088511B1 (fr)

Priority Applications (13)

Application Number Priority Date Filing Date Title
FR1860360A FR3088511B1 (fr) 2018-11-09 2018-11-09 Procede de decodage d’au moins une image, procede de codage, dispositifs, signal et programmes d’ordinateur correspondants.
CN201980074021.9A CN113348670A (zh) 2018-11-09 2019-11-06 用于通过块切割将图像译码和解码成区的方法和装置
JP2021525162A JP2022511689A (ja) 2018-11-09 2019-11-06 ゾーンへのブロック分割により画像を符号化及び復号する方法及びデバイス
US17/291,813 US11641463B2 (en) 2018-11-09 2019-11-06 Method and device for coding and decoding an image by block cutting into zones
PCT/EP2019/080369 WO2020094703A1 (fr) 2018-11-09 2019-11-06 Procédé et displositif de codage et de décodage d'une image par découpage de bloc en zones
JP2021525170A JP2022506991A (ja) 2018-11-09 2019-11-06 予測関数を用いた差分パルス符号変調による画像符号化
KR1020217017590A KR20210090230A (ko) 2018-11-09 2019-11-06 적어도 하나의 이미지를 디코딩하는 방법, 대응하는 인코딩 방법, 장치, 신호 및 컴퓨터 프로그램
EP19797295.3A EP3878182A1 (fr) 2018-11-09 2019-11-06 Procédé et displositif de codage et de décodage d'une image par découpage de bloc en zones
KR1020217017586A KR20210087082A (ko) 2018-11-09 2019-11-06 영역들로의 블록 분할에 의해 이미지를 코딩 및 디코딩하기 위한 방법 및 시스템
EP19808990.6A EP3878174A1 (fr) 2018-11-09 2019-11-06 Codage d'image par modulation differentielle par impulsions codees a l'aide d'une fonction de prediction
PCT/EP2019/080374 WO2020094706A1 (fr) 2018-11-09 2019-11-06 Codage d'image par modulation differentielle par impulsions codees a l'aide d'une fonction de prediction
CN201980074041.6A CN113273190A (zh) 2018-11-09 2019-11-06 借助预测功能通过差分脉冲编码调制进行图像编码
US17/292,215 US20210407140A1 (en) 2018-11-09 2019-11-06 Method for decoding at least one image, corresponding encoding method, devices, signal and computer programs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1860360A FR3088511B1 (fr) 2018-11-09 2018-11-09 Procede de decodage d’au moins une image, procede de codage, dispositifs, signal et programmes d’ordinateur correspondants.

Publications (2)

Publication Number Publication Date
FR3088511A1 FR3088511A1 (fr) 2020-05-15
FR3088511B1 true FR3088511B1 (fr) 2021-05-28

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FR1860360A Active FR3088511B1 (fr) 2018-11-09 2018-11-09 Procede de decodage d’au moins une image, procede de codage, dispositifs, signal et programmes d’ordinateur correspondants.

Country Status (7)

Country Link
US (2) US11641463B2 (fr)
EP (2) EP3878174A1 (fr)
JP (2) JP2022511689A (fr)
KR (2) KR20210087082A (fr)
CN (2) CN113348670A (fr)
FR (1) FR3088511B1 (fr)
WO (2) WO2020094703A1 (fr)

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EP2183922A4 (fr) * 2007-08-16 2011-04-27 Nokia Corp Procédé et appareils de codage et de décodage d'une image
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FR3023112A1 (fr) * 2014-06-27 2016-01-01 Bcom Procede de codage d'une image numerique, procede de decodage, dispositifs et programmes d'ordinateurs associes
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US11025903B2 (en) * 2017-01-13 2021-06-01 Qualcomm Incorporated Coding video data using derived chroma mode

Also Published As

Publication number Publication date
US11641463B2 (en) 2023-05-02
US20210407140A1 (en) 2021-12-30
WO2020094706A1 (fr) 2020-05-14
WO2020094703A1 (fr) 2020-05-14
US20210392320A1 (en) 2021-12-16
EP3878174A1 (fr) 2021-09-15
EP3878182A1 (fr) 2021-09-15
KR20210087082A (ko) 2021-07-09
JP2022506991A (ja) 2022-01-17
KR20210090230A (ko) 2021-07-19
JP2022511689A (ja) 2022-02-01
CN113273190A (zh) 2021-08-17
FR3088511A1 (fr) 2020-05-15
CN113348670A (zh) 2021-09-03

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