KR20240137627A - 블록 기반 비디오 코딩을 위한 부호 예측 - Google Patents

블록 기반 비디오 코딩을 위한 부호 예측 Download PDF

Info

Publication number
KR20240137627A
KR20240137627A KR1020247027540A KR20247027540A KR20240137627A KR 20240137627 A KR20240137627 A KR 20240137627A KR 1020247027540 A KR1020247027540 A KR 1020247027540A KR 20247027540 A KR20247027540 A KR 20247027540A KR 20240137627 A KR20240137627 A KR 20240137627A
Authority
KR
South Korea
Prior art keywords
region
transform
video
transform coefficients
block
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
KR1020247027540A
Other languages
English (en)
Korean (ko)
Inventor
샤오위 시우
닝 옌
이-웬 첸
체-웨이 쿠오
웨이 첸
홍-젱 주
한 가오
샹린 왕
빙 유
Original Assignee
베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from PCT/US2022/040442 external-priority patent/WO2023023039A1/en
Priority claimed from PCT/US2022/043607 external-priority patent/WO2023043885A1/en
Priority claimed from PCT/US2022/049264 external-priority patent/WO2023086330A1/en
Priority claimed from PCT/US2022/053150 external-priority patent/WO2023114468A1/en
Application filed by 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 filed Critical 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드
Publication of KR20240137627A publication Critical patent/KR20240137627A/ko
Pending legal-status Critical Current

Links

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)
KR1020247027540A 2022-01-17 2023-01-17 블록 기반 비디오 코딩을 위한 부호 예측 Pending KR20240137627A (ko)

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
US202263300187P 2022-01-17 2022-01-17
US63/300,187 2022-01-17
USPCT/US2022/040442 2022-08-16
PCT/US2022/040442 WO2023023039A1 (en) 2021-08-17 2022-08-16 Sign prediction for block-based video coding
PCT/US2022/043607 WO2023043885A1 (en) 2021-09-15 2022-09-15 Sign prediction for block-based video coding
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
USPCT/US2022/053150 2022-12-16
PCT/US2022/053150 WO2023114468A1 (en) 2021-12-16 2022-12-16 Sign prediction for block-based video coding
PCT/US2023/010901 WO2023137217A1 (en) 2022-01-17 2023-01-17 Sign prediction for block-based video coding

Publications (1)

Publication Number Publication Date
KR20240137627A true KR20240137627A (ko) 2024-09-20

Family

ID=87279730

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020247027540A Pending KR20240137627A (ko) 2022-01-17 2023-01-17 블록 기반 비디오 코딩을 위한 부호 예측

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
CN118476228A (zh) 2024-08-09
EP4466856A1 (en) 2024-11-27

Similar Documents

Publication Publication Date Title
JP7813353B2 (ja) ブロックベースのビデオ符号化のための符号予測
JP7719949B2 (ja) ブロックベースのビデオ符号化のための符号予測
US20250039457A1 (en) Methods and devices for geometric partitioning mode with adaptive blending
US12604039B2 (en) Sign prediction for block-based video coding
CN116868571A (zh) 对于帧间预测的改进的局部光照补偿
CN117957838A (zh) 帧内预测模式信令
US20240298009A1 (en) Sign prediction for block-based video coding
US20240214561A1 (en) Methods and devices for decoder-side intra mode derivation
EP4409886A1 (en) Methods and devices for decoder-side intra mode derivation
EP3957072A1 (en) Methods and apparatus of video coding using prediction refinement with optical flow
US20250039377A1 (en) Sign prediction for block-based video coding
US12563234B2 (en) Sign prediction for block-based video coding
JP7821879B2 (ja) ブロックベースのビデオ符号化のための符号予測
KR20240125959A (ko) 블록 기반 비디오 코딩을 위한 부호 예측
JP2025501981A (ja) ブロックベースの映像コーディングのための符号予測
CN122055967A (zh) 用于经滤波的帧内块复制的方法和设备
CN122029805A (zh) 用于经滤波的帧内块复制的方法和设备
CN121693912A (zh) 基于外推滤波器的预测模式的方法和设备

Legal Events

Date Code Title Description
PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

E13 Pre-grant limitation requested

Free format text: ST27 STATUS EVENT CODE: A-2-3-E10-E13-LIM-X000 (AS PROVIDED BY THE NATIONAL OFFICE)

E13-X000 Pre-grant limitation requested

St.27 status event code: A-2-3-E10-E13-lim-X000

P11 Amendment of application requested

Free format text: ST27 STATUS EVENT CODE: A-2-2-P10-P11-NAP-X000 (AS PROVIDED BY THE NATIONAL OFFICE)

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13 Application amended

Free format text: ST27 STATUS EVENT CODE: A-2-2-P10-P13-NAP-X000 (AS PROVIDED BY THE NATIONAL OFFICE)

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000