JP7657723B2 - 少なくとも１つの画像を表すデータストリームをコード化および復号するための方法およびデバイス - Google Patents

少なくとも１つの画像を表すデータストリームをコード化および復号するための方法およびデバイス Download PDF

Info

Publication number
JP7657723B2
JP7657723B2 JP2021546344A JP2021546344A JP7657723B2 JP 7657723 B2 JP7657723 B2 JP 7657723B2 JP 2021546344 A JP2021546344 A JP 2021546344A JP 2021546344 A JP2021546344 A JP 2021546344A JP 7657723 B2 JP7657723 B2 JP 7657723B2
Authority
JP
Japan
Prior art keywords
pixel
value
prediction
block
predicted
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.)
Active
Application number
JP2021546344A
Other languages
English (en)
Japanese (ja)
Other versions
JP2022519739A (ja
Inventor
フェリックス・アンリ
モーセン・アブドリ
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.)
Orange SA
Original Assignee
France Telecom SA
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 France Telecom SA filed Critical France Telecom SA
Publication of JP2022519739A publication Critical patent/JP2022519739A/ja
Priority to JP2024196126A priority Critical patent/JP7791965B2/ja
Application granted granted Critical
Publication of JP7657723B2 publication Critical patent/JP7657723B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • H04N19/102—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
    • H04N19/103—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
    • H04N19/119—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
    • H04N19/169—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
    • H04N19/50—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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2021546344A 2019-02-07 2020-01-30 少なくとも１つの画像を表すデータストリームをコード化および復号するための方法およびデバイス Active JP7657723B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2024196126A JP7791965B2 (ja) 2019-02-07 2024-11-08 少なくとも１つの画像を表すデータストリームをコード化および復号するための方法およびデバイス

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1901228 2019-02-07
FR1901228A FR3092719A1 (fr) 2019-02-07 2019-02-07 Procédés et dispositifs de codage et de décodage d'un flux de données représentatif d'au moins une image.
PCT/FR2020/050146 WO2020161413A1 (fr) 2019-02-07 2020-01-30 Procédés et dispositifs de codage et de décodage d'un flux de données représentatif d'au moins une image

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2024196126A Division JP7791965B2 (ja) 2019-02-07 2024-11-08 少なくとも１つの画像を表すデータストリームをコード化および復号するための方法およびデバイス

Publications (2)

Publication Number Publication Date
JP2022519739A JP2022519739A (ja) 2022-03-24
JP7657723B2 true JP7657723B2 (ja) 2025-04-07

Family

ID=67185272

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2021546344A Active JP7657723B2 (ja) 2019-02-07 2020-01-30 少なくとも１つの画像を表すデータストリームをコード化および復号するための方法およびデバイス
JP2024196126A Active JP7791965B2 (ja) 2019-02-07 2024-11-08 少なくとも１つの画像を表すデータストリームをコード化および復号するための方法およびデバイス

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2024196126A Active JP7791965B2 (ja) 2019-02-07 2024-11-08 少なくとも１つの画像を表すデータストリームをコード化および復号するための方法およびデバイス

Country Status (8)

Country Link
US (3) US12022115B2 (https=)
EP (1) EP3922017A1 (https=)
JP (2) JP7657723B2 (https=)
KR (1) KR20210128401A (https=)
CN (2) CN118301343A (https=)
BR (1) BR112021014787A2 (https=)
FR (1) FR3092719A1 (https=)
WO (1) WO2020161413A1 (https=)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016521042A (ja) 2013-04-05 2016-07-14 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ パレットベースのビデオコード化におけるパレットインデックスの決定
JP2016525303A (ja) 2013-06-21 2016-08-22 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ 変位ベクトルを使用する予測ブロックからのイントラ予測
JP2017513321A (ja) 2014-03-14 2017-05-25 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ パレットベースのビデオコーディング

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2977111A1 (fr) * 2011-06-24 2012-12-28 France Telecom Procede de codage et decodage d'images, dispositif de codage et decodage et programmes d'ordinateur correspondants
WO2013067435A1 (en) 2011-11-04 2013-05-10 Huawei Technologies Co., Ltd. Differential pulse code modulation intra prediction for high efficiency video coding
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
FR3046321B1 (fr) * 2015-12-29 2018-01-26 B<>Com Procede de codage d'une image numerique, procede de decodage, dispositifs, terminal d'utilisateur et programmes d'ordinateurs associes
FR3066873A1 (fr) * 2017-05-29 2018-11-30 Orange Procedes et dispositifs de codage et de decodage d'un flux de donnees representatif d'au moins une image
TW201907732A (zh) * 2017-07-05 2019-02-16 財團法人工業技術研究院 視訊編碼方法、視訊解碼方法、視訊編碼器及視訊解碼器

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016521042A (ja) 2013-04-05 2016-07-14 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ パレットベースのビデオコード化におけるパレットインデックスの決定
JP2016525303A (ja) 2013-06-21 2016-08-22 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ 変位ベクトルを使用する予測ブロックからのイントラ予測
JP2017513321A (ja) 2014-03-14 2017-05-25 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ パレットベースのビデオコーディング

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Chun-Chi Chen et al.，Description of screen content coding technology proposal by NCTU and ITRI International [online]，JCTVC-Q0032（JCTVC-Q0032-r1.doc）, [2023年12月22日検索]，インターネット ＜URL: http://phenix.it-sudparis.eu/jct/doc_end_user/documents/17_Valencia/wg11/JCTVC-Q0032-v2 .zip＞，2014年03月27日
L. Guo et al.，RCE4: Results of Test 2 on Palette Mode for Screen Content Coding [online]，JCTVC-P0198（JCTVC-P0198.doc）, [2023年12月22日検索]，インターネット ＜URL: http://phenix.it-sudparis.eu/jct/doc_end_user/documents/16_San%20Jose/wg11/JCTVC-P0198-v3.zip＞，2014年01月08日

Also Published As

Publication number Publication date
KR20210128401A (ko) 2021-10-26
CN113412618B (zh) 2024-05-17
JP7791965B2 (ja) 2025-12-24
WO2020161413A1 (fr) 2020-08-13
US20240298028A1 (en) 2024-09-05
EP3922017A1 (fr) 2021-12-15
JP2025024047A (ja) 2025-02-19
US12022115B2 (en) 2024-06-25
BR112021014787A2 (pt) 2021-09-28
US20220103862A1 (en) 2022-03-31
CN113412618A (zh) 2021-09-17
JP2022519739A (ja) 2022-03-24
US20250337950A1 (en) 2025-10-30
FR3092719A1 (fr) 2020-08-14
US12382095B2 (en) 2025-08-05
CN118301343A (zh) 2024-07-05

Similar Documents

Publication Publication Date Title
JP7714756B2 (ja) 少なくとも１つの画像を表すデータストリームをコーディングおよび復号するための方法およびデバイス
JP7665808B2 (ja) 少なくとも１つの画像を表すデータストリームをコーディングおよびデコーディングするための方法および装置
JP7808156B2 (ja) 少なくとも１つの画像を表すデータストリームを符号化および復号するための方法およびデバイス
JP7749716B2 (ja) 少なくとも１つの画像を表すデータストリームをコーディングおよび復号するための方法およびデバイス
JP7791965B2 (ja) 少なくとも１つの画像を表すデータストリームをコード化および復号するための方法およびデバイス
JP7656121B2 (ja) 少なくとも１つの画像を表すデータストリームを符号化および復号するための方法およびデバイス

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20211007

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20221205

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20231225

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20240109

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240409

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20240708

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20241108

A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20241118

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20250225

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20250326

R150 Certificate of patent or registration of utility model

Ref document number: 7657723

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150