JP2024533258A - ビデオ符号化における変換係数の残差符号予測の改良 - Google Patents

ビデオ符号化における変換係数の残差符号予測の改良 Download PDF

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JP2024533258A
JP2024533258A JP2024514612A JP2024514612A JP2024533258A JP 2024533258 A JP2024533258 A JP 2024533258A JP 2024514612 A JP2024514612 A JP 2024514612A JP 2024514612 A JP2024514612 A JP 2024514612A JP 2024533258 A JP2024533258 A JP 2024533258A
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predicted
residual
current block
prediction
transform coefficient
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JP2024533258A5 (https=
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ゴラム サーヴァー，モハメド
イエ，ヤン
チェン，ジエ
リャオ，ルーリン
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アリババ ダモ （ハンジョウ） テクノロジー カンパニー，リミテッド
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Publication of JP2024533258A publication Critical patent/JP2024533258A/ja
Publication of JP2024533258A5 publication Critical patent/JP2024533258A5/ja
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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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/70—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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/88—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving rearrangement of data among different coding units, e.g. shuffling, interleaving, scrambling or permutation of pixel data or permutation of transform coefficient data among different blocks

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2024514612A 2021-09-29 2022-09-29 ビデオ符号化における変換係数の残差符号予測の改良 Pending JP2024533258A (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202163250202P 2021-09-29 2021-09-29
US63/250,202 2021-09-29
US202263296370P 2022-01-04 2022-01-04
US63/296,370 2022-01-04
PCT/SG2022/050706 WO2023055300A2 (en) 2021-09-29 2022-09-29 Improved residual sign prediction of transform coefficients in video coding

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JP2024533258A true JP2024533258A (ja) 2024-09-12
JP2024533258A5 JP2024533258A5 (https=) 2025-09-30

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US (2) US12445651B2 (https=)
EP (1) EP4409880A4 (https=)
JP (1) JP2024533258A (https=)
KR (1) KR20240089081A (https=)
WO (1) WO2023055300A2 (https=)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021002773A (ja) 2019-06-21 2021-01-07 キヤノン株式会社 画像符号化装置、画像復号装置、画像符号化方法、画像復号方法
JP7403245B2 (ja) * 2019-06-21 2023-12-22 キヤノン株式会社 画像復号装置、画像復号方法
JP7403246B2 (ja) 2019-06-21 2023-12-22 キヤノン株式会社 画像復号装置、画像復号方法
US12563234B2 (en) 2021-08-17 2026-02-24 Beijing Dajia Internet Information Technology Co., Ltd. Sign prediction for block-based video coding
JP7813353B2 (ja) * 2021-09-15 2026-02-12 ベイジン ダージャー インターネット インフォメーション テクノロジー カンパニー リミテッド ブロックベースのビデオ符号化のための符号予測
CN118235412A (zh) * 2021-11-10 2024-06-21 北京达佳互联信息技术有限公司 基于块的视频编解码的符号预测
KR20250073684A (ko) * 2023-04-20 2025-05-27 텐센트 아메리카 엘엘씨 블록 레벨 부호 예측 적응
WO2025193987A1 (en) * 2024-03-15 2025-09-18 Tencent America LLC On improvement of transform kernel derivation

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MY208069A (en) * 2018-03-07 2025-04-11 Huawei Tech Co Ltd Method and apparatus for harmonizing multiple sign bit hiding and residual sign prediction
KR102419112B1 (ko) * 2018-03-07 2022-07-07 후아웨이 테크놀러지 컴퍼니 리미티드 변환 도메인에서 잔차 부호 예측 방법 및 장치
CN111372083B (zh) * 2020-03-19 2023-03-31 宁波大学 一种基于层间处理的shvc视频加密方法
US20240298009A1 (en) * 2021-08-17 2024-09-05 Beijing Dajia Internet Information Technology Co., Ltd. Sign prediction for block-based video coding
EP4503608A4 (en) * 2022-03-24 2026-03-18 Lg Electronics Inc IMAGE DECODING METHOD AND DEVICE

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EP4409880A4 (en) 2025-09-03
US20230093994A1 (en) 2023-03-30
WO2023055300A2 (en) 2023-04-06
EP4409880A2 (en) 2024-08-07
US20260019643A1 (en) 2026-01-15
KR20240089081A (ko) 2024-06-20
WO2023055300A3 (en) 2023-07-20
WO2023055300A9 (en) 2023-08-10
US12445651B2 (en) 2025-10-14

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