JP7725473B2 - パレットモードで映像データを符号化するための方法及び装置 - Google Patents

パレットモードで映像データを符号化するための方法及び装置

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Publication number
JP7725473B2
JP7725473B2 JP2022536627A JP2022536627A JP7725473B2 JP 7725473 B2 JP7725473 B2 JP 7725473B2 JP 2022536627 A JP2022536627 A JP 2022536627A JP 2022536627 A JP2022536627 A JP 2022536627A JP 7725473 B2 JP7725473 B2 JP 7725473B2
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palette
size
maximum
determining
slice
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JP2023507935A (ja
JP2023507935A5 (https=
Inventor
ゴラム サーヴァー，モハメッド
イエ，ヤン
ルオ，ジャンコン
リャオ，ル－リン
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アリババ グループ ホウルディング リミテッド
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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
    • H04N19/124—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
    • H04N19/102—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
    • H04N19/134—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
    • H04N19/169—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
    • H04N19/186—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 colour or a chrominance component
    • 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
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2022536627A 2019-12-30 2020-11-17 パレットモードで映像データを符号化するための方法及び装置 Active JP7725473B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2025131223A JP2025169949A (ja) 2019-12-30 2025-08-06 パレットモードで映像データを符号化するための方法及び装置

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962954843P 2019-12-30 2019-12-30
US62/954,843 2019-12-30
PCT/US2020/060852 WO2021137962A1 (en) 2019-12-30 2020-11-17 Method and apparatus for coding video data in palette mode

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JP2025131223A Division JP2025169949A (ja) 2019-12-30 2025-08-06 パレットモードで映像データを符号化するための方法及び装置

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JP2023507935A JP2023507935A (ja) 2023-02-28
JP2023507935A5 JP2023507935A5 (https=) 2023-10-25
JP7725473B2 true JP7725473B2 (ja) 2025-08-19

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JP2025131223A Pending JP2025169949A (ja) 2019-12-30 2025-08-06 パレットモードで映像データを符号化するための方法及び装置

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US (2) US11336897B2 (https=)
EP (1) EP4082201A4 (https=)
JP (2) JP7725473B2 (https=)
KR (1) KR20220115984A (https=)
CN (4) CN116418983B (https=)
WO (1) WO2021137962A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4088455B1 (en) * 2020-01-11 2025-07-02 Beijing Dajia Internet Information Technology Co., Ltd. Methods and apparatus of video decoding using palette mode
WO2021187946A1 (ko) * 2020-03-19 2021-09-23 엘지전자 주식회사 팔레트 모드에 기반한 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장하는 기록 매체
EP4702756A1 (en) * 2023-04-23 2026-03-04 Douyin Vision Co., Ltd. Method, apparatus, and medium for video processing

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JP2017520162A (ja) 2014-05-22 2017-07-20 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における最大パレットパラメータ
US20170374372A1 (en) 2014-12-19 2017-12-28 Hfi Innovation Inc. Methods of Palette Based Prediction for Non-444 Color Format in Video and Image Coding

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US10440365B2 (en) * 2013-06-28 2019-10-08 Velos Media, Llc Methods and devices for emulating low-fidelity coding in a high-fidelity coder
US9558567B2 (en) * 2013-07-12 2017-01-31 Qualcomm Incorporated Palette prediction in palette-based video coding
GB201321851D0 (en) * 2013-12-10 2014-01-22 Canon Kk Run length parameters coding for palette mode
KR101854066B1 (ko) * 2014-03-17 2018-05-02 노키아 테크놀로지스 오와이 비디오 인코딩 및 디코딩을 위한 방법 및 기술 장비
US10091512B2 (en) * 2014-05-23 2018-10-02 Futurewei Technologies, Inc. Advanced screen content coding with improved palette table and index map coding methods
KR102042085B1 (ko) * 2014-06-20 2019-11-08 에이치에프아이 이노베이션 인크. 영상 부호화를 위한 팔레트 예측자 신호 방법
WO2016074147A1 (en) * 2014-11-11 2016-05-19 Mediatek Singapore Pte. Ltd. Separated coding tree for luma and chroma
US9986248B2 (en) * 2015-01-29 2018-05-29 Qualcomm Incorporated Palette mode coding for video coding
US20160234498A1 (en) * 2015-02-05 2016-08-11 Sharp Laboratories Of America, Inc. Methods and systems for palette table coding
US20160360205A1 (en) * 2015-06-08 2016-12-08 Industrial Technology Research Institute Video encoding methods and systems using adaptive color transform
US11039147B2 (en) * 2016-05-28 2021-06-15 Mediatek Inc. Method and apparatus of palette mode coding for colour video data
PL3731527T3 (pl) * 2016-05-28 2023-01-09 Hfi Innovation Inc. Sposób i urządzenie do kodowania w trybie palety dla danych kolorowego wideo
US10694195B2 (en) * 2018-03-07 2020-06-23 Tencent America LLC Methods and apparatus for palette coding
CN108986180B (zh) * 2018-06-07 2022-09-16 创新先进技术有限公司 一种调色板的生成方法、装置及电子设备
US11025905B2 (en) * 2018-09-14 2021-06-01 Tencent America LLC Method and device for decoding with palette mode
CN113906758B (zh) * 2019-05-31 2025-06-20 字节跳动有限公司 调色板模式与帧内块复制预测

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JP2017520162A (ja) 2014-05-22 2017-07-20 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における最大パレットパラメータ
US20170374372A1 (en) 2014-12-19 2017-12-28 Hfi Innovation Inc. Methods of Palette Based Prediction for Non-444 Color Format in Video and Image Coding

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Rajan Joshi，Description of Screen Content Core Experiment 5 (SCCE5): Investigation of maximum palette size and maximum palette predictor size[online]，Joint Collaborative Team on Video Coding (JCT-VC) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 18th Meeting: Sapporo, JP, 30 June - 9 July 2014, JCTVC-R1105-r1，2014年08月23日，p.1-3，［令和6年10月28日検索］，インターネット、 ＜URL：http://phenix.it-sudparis.eu/jct/doc_end_user/documents/18_Sapporo/wg11/JCTVC-R1105-v3.zip＞
Yung-Hsuan Chao ，CE15-2: Palette mode of HEVC SCC ，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 12th Meeting: Macao、JVET-L JVET-L0336-v3，2018年10月05日，p.1-8， ［令和6年10月25日検索］、インターネット＜URL:http://phenix.it-sudparis.eu/jvet/doc_end_user/documents/12_Macao/wg11/JVET-L0336-v6.zip＞

Also Published As

Publication number Publication date
CN116405677A (zh) 2023-07-07
CN116405677B (zh) 2023-10-31
CN116437086B (zh) 2023-11-17
EP4082201A1 (en) 2022-11-02
US11336897B2 (en) 2022-05-17
CN114788284A (zh) 2022-07-22
JP2023507935A (ja) 2023-02-28
CN116418983A (zh) 2023-07-11
US11765361B2 (en) 2023-09-19
CN116437086A (zh) 2023-07-14
CN116418983B (zh) 2023-10-31
US20220248030A1 (en) 2022-08-04
WO2021137962A1 (en) 2021-07-08
EP4082201A4 (en) 2023-03-29
US20210203953A1 (en) 2021-07-01
JP2025169949A (ja) 2025-11-14
KR20220115984A (ko) 2022-08-19
CN114788284B (zh) 2023-03-31

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