ZA202007453B - Methods and devices for coding and decoding a data stream representing at least one image - Google Patents

Methods and devices for coding and decoding a data stream representing at least one image

Info

Publication number
ZA202007453B
ZA202007453B ZA2020/07453A ZA202007453A ZA202007453B ZA 202007453 B ZA202007453 B ZA 202007453B ZA 2020/07453 A ZA2020/07453 A ZA 2020/07453A ZA 202007453 A ZA202007453 A ZA 202007453A ZA 202007453 B ZA202007453 B ZA 202007453B
Authority
ZA
South Africa
Prior art keywords
current block
image
data stream
coding
coding mode
Prior art date
Application number
ZA2020/07453A
Other languages
English (en)
Inventor
FéLIX HENRY
Mohsen Abdoli
Original Assignee
Orange
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 Orange filed Critical Orange
Publication of ZA202007453B publication Critical patent/ZA202007453B/en

Links

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
    • H04N19/157—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
    • H04N19/102—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
    • H04N19/102—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
    • H04N19/124—Quantisation
    • 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
    • H04N19/134—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
    • H04N19/169—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
    • H04N19/10—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
    • H04N19/19—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 using optimisation based on Lagrange multipliers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
ZA2020/07453A 2018-06-27 2020-11-30 Methods and devices for coding and decoding a data stream representing at least one image ZA202007453B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1855791A FR3081656A1 (fr) 2018-06-27 2018-06-27 Procedes et dispositifs de codage et de decodage d'un flux de donnees representatif d'au moins une image.
PCT/FR2019/051478 WO2020002795A1 (fr) 2018-06-27 2019-06-18 Procédés et dispositifs de codage et de décodage d'un flux de données représentatif d'au moins une image

Publications (1)

Publication Number Publication Date
ZA202007453B true ZA202007453B (en) 2024-06-26

Family

ID=63963140

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2020/07453A ZA202007453B (en) 2018-06-27 2020-11-30 Methods and devices for coding and decoding a data stream representing at least one image

Country Status (11)

Country Link
US (3) US11457213B2 (https=)
EP (1) EP3815366B1 (https=)
JP (2) JP7466469B2 (https=)
KR (1) KR102828464B1 (https=)
CN (2) CN118945331A (https=)
BR (1) BR112020024456A2 (https=)
ES (1) ES3053587T3 (https=)
FR (1) FR3081656A1 (https=)
PL (1) PL3815366T3 (https=)
WO (1) WO2020002795A1 (https=)
ZA (1) ZA202007453B (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20250030873A1 (en) * 2023-07-17 2025-01-23 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Coded video transmission concept

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US8149909B1 (en) * 2005-10-13 2012-04-03 Maxim Integrated Products, Inc. Video encoding control using non-exclusive content categories
HUE025501T2 (en) * 2006-01-09 2016-02-29 Matthias Narroschke Adaptive encoding of prediction error in hybrid video encoding
FR2972588A1 (fr) * 2011-03-07 2012-09-14 France Telecom Procede de codage et decodage d'images, dispositif de codage et decodage et programmes d'ordinateur correspondants
WO2012134046A2 (ko) * 2011-04-01 2012-10-04 주식회사 아이벡스피티홀딩스 동영상의 부호화 방법
US11184623B2 (en) * 2011-09-26 2021-11-23 Texas Instruments Incorporated Method and system for lossless coding mode in video coding
KR101620620B1 (ko) * 2011-10-26 2016-05-13 주식회사 케이티 인트라 예측 모드를 기초로 양자화 계수를 예측하는 방법 및 이를 이용하는 장치
US9253508B2 (en) 2011-11-04 2016-02-02 Futurewei Technologies, Inc. Differential pulse code modulation intra prediction for high efficiency video coding
JP6480186B2 (ja) * 2012-01-19 2019-03-06 ヴィド スケール インコーポレイテッド ビデオコーディング量子化およびダイナミックレンジ制御のシステムおよび方法
WO2013128010A2 (en) * 2012-03-02 2013-09-06 Canon Kabushiki Kaisha Method and devices for encoding a sequence of images into a scalable video bit-stream, and decoding a corresponding scalable video bit-stream
US9118918B2 (en) * 2012-03-06 2015-08-25 National Taiwan University Method for rate-distortion optimized transform and quantization through a closed-form operation
US10085024B2 (en) * 2012-04-13 2018-09-25 Qualcomm Incorporated Lookup table for rate distortion optimized quantization
GB2519070A (en) * 2013-10-01 2015-04-15 Sony Corp Data encoding and decoding
FR3012714A1 (fr) * 2013-10-25 2015-05-01 Orange Procede de codage et de decodage d'images, dispositif de codage et de decodage d'images et programmes d'ordinateur correspondants
US9877035B2 (en) 2014-03-17 2018-01-23 Qualcomm Incorporated Quantization processes for residue differential pulse code modulation
US20180115787A1 (en) * 2015-04-12 2018-04-26 Lg Electronics Inc. Method for encoding and decoding video signal, and apparatus therefor
JP2017073602A (ja) 2015-10-05 2017-04-13 富士通株式会社 動画像符号化装置、動画像符号化方法及び動画像符号化用コンピュータプログラム
EP3410723A1 (en) * 2017-05-31 2018-12-05 Thomson Licensing A method and a device for picture encoding and decoding
RU2759218C2 (ru) * 2017-06-21 2021-11-11 Вид Скейл, Инк. Адаптивное квантование для кодирования 360-градусного видео
CN112236999B (zh) * 2018-03-29 2022-12-13 弗劳恩霍夫应用研究促进协会 依赖性量化
BR112022013058A2 (pt) * 2020-03-25 2022-10-11 Panasonic Ip Corp America Codificador, decodificador, método de codificação e método de decodificação

Also Published As

Publication number Publication date
CN112292858B (zh) 2024-07-26
BR112020024456A2 (pt) 2021-03-16
US20210274178A1 (en) 2021-09-02
CN118945331A (zh) 2024-11-12
FR3081656A1 (fr) 2019-11-29
KR20210023869A (ko) 2021-03-04
PL3815366T3 (pl) 2026-02-09
JP7466469B2 (ja) 2024-04-12
US11457213B2 (en) 2022-09-27
CN112292858A (zh) 2021-01-29
ES3053587T3 (en) 2026-01-23
US20220400263A1 (en) 2022-12-15
US11863751B2 (en) 2024-01-02
JP2021530140A (ja) 2021-11-04
WO2020002795A1 (fr) 2020-01-02
JP2024050770A (ja) 2024-04-10
EP3815366C0 (fr) 2025-10-15
EP3815366B1 (fr) 2025-10-15
JP7749716B2 (ja) 2025-10-06
US11889081B2 (en) 2024-01-30
US20220400264A1 (en) 2022-12-15
KR102828464B1 (ko) 2025-07-01
EP3815366A1 (fr) 2021-05-05

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ZA202007453B (en) Methods and devices for coding and decoding a data stream representing at least one image
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