CN118476228A - 用于基于块的视频编解码的符号预测 - Google Patents

用于基于块的视频编解码的符号预测 Download PDF

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Publication number
CN118476228A
CN118476228A CN202280083626.6A CN202280083626A CN118476228A CN 118476228 A CN118476228 A CN 118476228A CN 202280083626 A CN202280083626 A CN 202280083626A CN 118476228 A CN118476228 A CN 118476228A
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CN
China
Prior art keywords
transform coefficients
candidate
video
transform
symbol
Prior art date
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Pending
Application number
CN202280083626.6A
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English (en)
Chinese (zh)
Inventor
修晓宇
闫宁
陈漪纹
郭哲玮
陈伟
朱弘正
高晗
王祥林
于冰
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.)
Beijing Dajia Internet Information Technology Co Ltd
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Beijing Dajia Internet Information Technology Co Ltd
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Filing date
Publication date
Priority claimed from PCT/US2022/049264 external-priority patent/WO2023086330A1/en
Application filed by Beijing Dajia Internet Information Technology Co Ltd filed Critical Beijing Dajia Internet Information Technology Co Ltd
Priority claimed from PCT/US2022/053150 external-priority patent/WO2023114468A1/en
Publication of CN118476228A publication Critical patent/CN118476228A/zh
Pending legal-status Critical Current

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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
    • H04N19/50—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
    • H04N19/10—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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • 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
    • H04N19/10—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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/134—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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN202280083626.6A 2021-12-16 2022-12-16 用于基于块的视频编解码的符号预测 Pending CN118476228A (zh)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US63/290,307 2021-12-16
US202263300187P 2022-01-17 2022-01-17
USPCT/US2022/040442 2022-08-16
USPCT/US2022/043607 2022-09-15
USPCT/US2022/049264 2022-11-08
PCT/US2022/049264 WO2023086330A1 (en) 2021-11-10 2022-11-08 Sign prediction for block-based video coding
PCT/US2022/053150 WO2023114468A1 (en) 2021-12-16 2022-12-16 Sign prediction for block-based video coding

Publications (1)

Publication Number Publication Date
CN118476228A true CN118476228A (zh) 2024-08-09

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
CN202280083626.6A Pending CN118476228A (zh) 2021-12-16 2022-12-16 用于基于块的视频编解码的符号预测
CN202380017546.5A Pending CN118556402A (zh) 2022-01-17 2023-01-17 用于基于块的视频编解码的符号预测

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN202380017546.5A Pending CN118556402A (zh) 2022-01-17 2023-01-17 用于基于块的视频编解码的符号预测

Country Status (6)

Country Link
EP (1) EP4466856A4 (enExample)
JP (1) JP2025501981A (enExample)
KR (1) KR20240137627A (enExample)
CN (2) CN118476228A (enExample)
MX (1) MX2024008859A (enExample)
WO (1) WO2023137217A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN121693912A (zh) * 2023-08-17 2026-03-17 北京达佳互联信息技术有限公司 基于外推滤波器的预测模式的方法和设备

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US10609367B2 (en) * 2016-12-21 2020-03-31 Qualcomm Incorporated Low-complexity sign prediction for video coding
US20190208225A1 (en) * 2018-01-02 2019-07-04 Qualcomm Incorporated Sign prediction in video coding
WO2019172798A1 (en) * 2018-03-07 2019-09-12 Huawei Technologies Co., Ltd. Method and apparatus for residual sign prediction in transform domain
US11223849B2 (en) * 2018-03-27 2022-01-11 Nokia Technologies Oy Transform sign compression in video encoding and decoding
KR20200138068A (ko) * 2019-05-29 2020-12-09 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체

Also Published As

Publication number Publication date
JP2025501981A (ja) 2025-01-24
WO2023137217A1 (en) 2023-07-20
EP4466856A4 (en) 2025-12-17
CN118556402A (zh) 2024-08-27
MX2024008859A (es) 2024-07-25
KR20240137627A (ko) 2024-09-20
EP4466856A1 (en) 2024-11-27

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