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 (9)

Country Link
US (3) US11457213B2 (enExample)
EP (1) EP3815366B1 (enExample)
JP (2) JP7466469B2 (enExample)
KR (1) KR102828464B1 (enExample)
CN (2) CN112292858B (enExample)
BR (1) BR112020024456A2 (enExample)
FR (1) FR3081656A1 (enExample)
WO (1) WO2020002795A1 (enExample)
ZA (1) ZA202007453B (enExample)

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

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8149909B1 (en) * 2005-10-13 2012-04-03 Maxim Integrated Products, Inc. Video encoding control using non-exclusive content categories
ES2347912T3 (es) * 2006-01-09 2010-11-25 Matthias Narroschke Codificación adaptativa de un error de predicción en la codificación de video híbrida.
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
EP2774360B1 (en) 2011-11-04 2017-08-02 Huawei Technologies Co., Ltd. Differential pulse code modulation intra prediction for high efficiency video coding
WO2013109471A1 (en) 2012-01-19 2013-07-25 Vid Scale, Inc. System and method of video coding quantization and dynamic range control
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
US9270986B2 (en) * 2012-04-13 2016-02-23 Qualcomm Incorporated Level decision in 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
WO2016167538A1 (ko) * 2015-04-12 2016-10-20 엘지전자(주) 비디오 신호의 인코딩, 디코딩 방법 및 그 장치
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
US20210337202A1 (en) * 2017-06-21 2021-10-28 Vid Scale, Inc. Adaptive quantization method for 360-degree video coding
CN115967800A (zh) * 2018-03-29 2023-04-14 弗劳恩霍夫应用研究促进协会 依赖性量化
MX2022008794A (es) * 2020-03-25 2022-08-11 Panasonic Ip Corp America Codificador, decodificador, metodo de codificacion y metodo de decodificacion.

Also Published As

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

Similar Documents

Publication Publication Date Title
GB2599805A (en) Temporal signalling for video coding technology
AU2012285315B2 (en) Image coding method, image decoding method, image coding apparatus, image decoding apparatus, and image coding and decoding apparatus
MY208410A (en) Coefficient coding for transform skip mode
ZA202107888B (en) Context coding for transform skip mode
MX2016011211A (es) Codificacion de transformada inversa de color-espacio universal.
GB2564310A (en) Method and apparatus of video coding
WO2013166395A3 (en) Transform skipping and lossless coding unification
PH12016502083A1 (en) Apparatus of decoding video data
MX379247B (es) Método de codificación de imágenes de video, método de decodificación de imágenes de video, dispositivo de codificación y dispositivo de decodificación.
EP4465632A3 (en) Using a current picture as a reference for video coding
TW201130316A (en) Template matching for video coding
MY165376A (en) Method and apparatus for encoding video by using deblocking filtering, and method and apparatus for decoding video by using deblocking filtering
WO2020236719A3 (en) Transform design for large blocks in video coding
BR112013020878A2 (pt) dispositivos e métodos de codificação e decodificação de imagem
GB2484969B (en) Improved reference frame for video encoding and decoding
RU2013158347A (ru) Способ кодирования изображений, способ декодирования изображений, устройство кодирования изображений, устройство декодирования изображений и устройство кодирования и декодирования изображений
WO2012011744A3 (ko) 디블록킹 필터링 방법 및 장치 및 이를 이용한 부호화 및 복호화 방법과 장치
MX2022002782A (es) Método de codificación, método de decodificación, codificador, decodificador y medio legible por computadora no transitorio.
WO2011129673A3 (ko) 영상 부호화/복호화 장치 및 방법
MX2025008157A (es) Método y dispositivo para señalizar señales relacionadas con modo de predicción en intra predicción
MX2021015954A (es) Metodo y aparato de intra prediccion basada en matriz en procesamiento de imagen y video.
ZA202007453B (en) Methods and devices for coding and decoding a data stream representing at least one image
ZA202007674B (en) Methods and devices for coding and decoding a data stream representing at least one image
WO2020260110A8 (en) Hmvc for affine and sbtmvp motion vector prediction modes
KR101659377B1 (ko) 인코딩 방법 및 그 시스템