CN114503567B - 编码装置、解码装置及程序 - Google Patents

编码装置、解码装置及程序 Download PDF

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Publication number
CN114503567B
CN114503567B CN202180005594.3A CN202180005594A CN114503567B CN 114503567 B CN114503567 B CN 114503567B CN 202180005594 A CN202180005594 A CN 202180005594A CN 114503567 B CN114503567 B CN 114503567B
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China
Prior art keywords
scaling list
color space
unit
prediction
inverse
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Chinese (zh)
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CN114503567A (zh
Inventor
岩村俊辅
根本慎平
市谷敦郎
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Japan Broadcasting Corp
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Nippon Hoso Kyokai NHK
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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
    • H04N19/119—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
    • H04N19/124—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
    • H04N19/169—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
    • H04N19/18—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 set of transform coefficients
    • 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
    • H04N19/60—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
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN202180005594.3A 2020-04-22 2021-04-20 编码装置、解码装置及程序 Active CN114503567B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202410333391.2A CN118018732A (zh) 2020-04-22 2021-04-20 编码装置、解码装置及计算机可读存储介质

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020075834 2020-04-22
JP2020-075834 2020-04-22
PCT/JP2021/016100 WO2021215454A1 (ja) 2020-04-22 2021-04-20 符号化装置、復号装置、及びプログラム

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CN114503567B true CN114503567B (zh) 2024-04-12

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CN202410333391.2A Pending CN118018732A (zh) 2020-04-22 2021-04-20 编码装置、解码装置及计算机可读存储介质

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US (3) US11647191B2 (https=)
JP (3) JP7142187B2 (https=)
CN (2) CN114503567B (https=)
WO (1) WO2021215454A1 (https=)

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WO2025121254A1 (ja) * 2023-12-08 2025-06-12 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 復号装置、符号化装置、復号方法、及び符号化方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105284111A (zh) * 2013-03-28 2016-01-27 Kddi株式会社 运动图像编码装置、运动图像解码装置、运动图像编码方法、运动图像解码方法、及程序

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US10057578B2 (en) * 2014-10-07 2018-08-21 Qualcomm Incorporated QP derivation and offset for adaptive color transform in video coding
WO2016054765A1 (en) * 2014-10-08 2016-04-14 Microsoft Technology Licensing, Llc Adjustments to encoding and decoding when switching color spaces
EP3304906A4 (en) * 2015-06-03 2019-04-17 MediaTek Inc. METHOD AND APPARATUS FOR ERROR TREATMENT FOR VIDEO CODING BY INTRABLOCK COPY MODE
CN114041287B (zh) * 2019-06-21 2024-10-22 北京字节跳动网络技术有限公司 自适应环内颜色空间转换和其他视频编解码工具的选择性使用
KR20250153885A (ko) * 2019-12-20 2025-10-27 주식회사 윌러스표준기술연구소 비디오 신호 처리 방법 및 이를 위한 장치
CN114902657B (zh) * 2019-12-31 2025-06-13 字节跳动有限公司 视频编解码中的自适应颜色变换
WO2021143896A1 (en) * 2020-01-18 2021-07-22 Beijing Bytedance Network Technology Co., Ltd. Adaptive colour transform in image/video coding
CN115462071B (zh) * 2020-03-11 2025-03-25 抖音视界有限公司 处理视频数据的方法及装置、介质、存储比特流的方法
TW202143716A (zh) * 2020-04-14 2021-11-16 法商內數位Ｖｃ控股法國公司 對可適性色彩轉換及色度聯合編碼之尺度清單控制
US11445206B2 (en) * 2020-04-16 2022-09-13 Tencent America LLC Method and apparatus for video coding
US11425400B2 (en) * 2020-04-20 2022-08-23 Qualcomm Incorporated Adaptive scaling list control for video coding

Patent Citations (1)

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CN105284111A (zh) * 2013-03-28 2016-01-27 Kddi株式会社 运动图像编码装置、运动图像解码装置、运动图像编码方法、运动图像解码方法、及程序

Non-Patent Citations (3)

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Title
AIIG15：Scaling matrices for LFNST-coded blocks;Adarsh K. Ramasubramoaian et al.;Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11(第JVET-P0365期);全文 *
On QP Adjustment for Adaptive Color Transform;Takeshi Tsukuba et al.;Joint Video Experts Team(JVET) of ITE-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11,(第JVET-Q0098期);全文 *
scaling list for adaptive colour transform;Shunsuke Iwamura et al.;Joint Video Experts Team(JVET) of ITU-T SG 16 WP 3 and ISO/IEC,JTC 1/SC 29/WG 11)(第JVET-R0380期);全文 *

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Publication number Publication date
JP2023179648A (ja) 2023-12-19
JP7366216B2 (ja) 2023-10-20
US20220210409A1 (en) 2022-06-30
CN118018732A (zh) 2024-05-10
CN114503567A (zh) 2022-05-13
JP7142187B2 (ja) 2022-09-26
JP2022172371A (ja) 2022-11-15
US20230239473A1 (en) 2023-07-27
JP7636493B2 (ja) 2025-02-26
WO2021215454A1 (ja) 2021-10-28
US20240397045A1 (en) 2024-11-28
US12088803B2 (en) 2024-09-10
US11647191B2 (en) 2023-05-09
JPWO2021215454A1 (https=) 2021-10-28

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