KR20240089081A - 비디오 코딩에서 변환 계수의 개선된 잔차 부호 예측 - Google Patents

비디오 코딩에서 변환 계수의 개선된 잔차 부호 예측 Download PDF

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Publication number
KR20240089081A
KR20240089081A KR1020247013794A KR20247013794A KR20240089081A KR 20240089081 A KR20240089081 A KR 20240089081A KR 1020247013794 A KR1020247013794 A KR 1020247013794A KR 20247013794 A KR20247013794 A KR 20247013794A KR 20240089081 A KR20240089081 A KR 20240089081A
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South Korea
Prior art keywords
predicted
residual
current block
sign
transform coefficient
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KR1020247013794A
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English (en)
Korean (ko)
Inventor
모함메드 고램 사르워
얀 예
지에 첸
루링 랴오
Original Assignee
알리바바 다모 (항저우) 테크놀로지 씨오., 엘티디.
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Publication of KR20240089081A publication Critical patent/KR20240089081A/ko
Pending legal-status Critical Current

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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
    • H04N19/169—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
    • H04N19/102—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
    • H04N19/70—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)
KR1020247013794A 2021-09-29 2022-09-29 비디오 코딩에서 변환 계수의 개선된 잔차 부호 예측 Pending KR20240089081A (ko)

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

Publications (1)

Publication Number Publication Date
KR20240089081A true KR20240089081A (ko) 2024-06-20

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KR1020247013794A Pending KR20240089081A (ko) 2021-09-29 2022-09-29 비디오 코딩에서 변환 계수의 개선된 잔차 부호 예측

Country Status (5)

Country Link
US (2) US12445651B2 (enExample)
EP (1) EP4409880A4 (enExample)
JP (1) JP2024533258A (enExample)
KR (1) KR20240089081A (enExample)
WO (1) WO2023055300A2 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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
US12563234B2 (en) 2021-08-17 2026-02-24 Beijing Dajia Internet Information Technology Co., Ltd. Sign prediction for block-based video coding
MX2024003298A (es) * 2021-09-15 2024-04-09 Beijing Dajia Internet Information Tech Co Ltd Prediccion de signo para codificacion de video basada en bloque.
KR20240110023A (ko) * 2021-11-10 2024-07-12 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 블록 기반 비디오 코딩을 위한 부호 예측
WO2024220927A1 (en) * 2023-04-20 2024-10-24 Tencent America LLC Block-level sign prediction adaptation
WO2025193987A1 (en) * 2024-03-15 2025-09-18 Tencent America LLC On improvement of transform kernel derivation

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6801665B1 (en) * 1998-09-15 2004-10-05 University Of Maryland Method and apparatus for compressing and decompressing images
WO2013050612A1 (en) * 2011-10-06 2013-04-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Entropy coding buffer arrangement
US10609367B2 (en) * 2016-12-21 2020-03-31 Qualcomm Incorporated Low-complexity sign prediction for video coding
WO2019172798A1 (en) * 2018-03-07 2019-09-12 Huawei Technologies Co., Ltd. Method and apparatus for residual sign prediction in transform domain
KR102492116B1 (ko) * 2018-03-07 2023-01-26 후아웨이 테크놀러지 컴퍼니 리미티드 다중 부호 비트 숨기기 및 잔차 부호 예측을 조화시키기 위한 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
US12684140B2 (en) * 2021-08-17 2026-07-14 Beijing Dajia Internet Information Technology Co., Ltd. Sign prediction for block-based video coding
KR20240166497A (ko) * 2022-03-24 2024-11-26 엘지전자 주식회사 영상 디코딩 방법 및 그 장치

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Publication number Publication date
WO2023055300A9 (en) 2023-08-10
EP4409880A4 (en) 2025-09-03
JP2024533258A (ja) 2024-09-12
US12445651B2 (en) 2025-10-14
US20260019643A1 (en) 2026-01-15
WO2023055300A2 (en) 2023-04-06
EP4409880A2 (en) 2024-08-07
US20230093994A1 (en) 2023-03-30
WO2023055300A3 (en) 2023-07-20

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