KR20230062626A - 검색 범위 스위칭을 이용한 인트라 블록 카피 모드 코딩을 위한 방법 및 장치 - Google Patents

검색 범위 스위칭을 이용한 인트라 블록 카피 모드 코딩을 위한 방법 및 장치 Download PDF

Info

Publication number
KR20230062626A
KR20230062626A KR1020237011694A KR20237011694A KR20230062626A KR 20230062626 A KR20230062626 A KR 20230062626A KR 1020237011694 A KR1020237011694 A KR 1020237011694A KR 20237011694 A KR20237011694 A KR 20237011694A KR 20230062626 A KR20230062626 A KR 20230062626A
Authority
KR
South Korea
Prior art keywords
ibc
local
block
mode
video
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
KR1020237011694A
Other languages
English (en)
Korean (ko)
Inventor
샤오중 쉬
신 자오
산 류
Original Assignee
텐센트 아메리카 엘엘씨
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
Application filed by 텐센트 아메리카 엘엘씨 filed Critical 텐센트 아메리카 엘엘씨
Publication of KR20230062626A publication Critical patent/KR20230062626A/ko
Pending legal-status Critical Current

Links

Images

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
    • H04N19/10—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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H04N19/129—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
    • H04N19/102—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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/436—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation using parallelised computational arrangements
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • 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
    • H04N19/70—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020237011694A 2021-09-17 2022-04-13 검색 범위 스위칭을 이용한 인트라 블록 카피 모드 코딩을 위한 방법 및 장치 Pending KR20230062626A (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202163245665P 2021-09-17 2021-09-17
US63/245,665 2021-09-17
US17/704,948 US12120290B2 (en) 2021-09-17 2022-03-25 Method and apparatus for intra block copy mode coding with search range switching
US17/704,948 2022-03-25
PCT/US2022/024630 WO2023043494A1 (en) 2021-09-17 2022-04-13 Method and apparatus for intra block copy mode coding with search range switching

Publications (1)

Publication Number Publication Date
KR20230062626A true KR20230062626A (ko) 2023-05-09

Family

ID=85571938

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020237011694A Pending KR20230062626A (ko) 2021-09-17 2022-04-13 검색 범위 스위칭을 이용한 인트라 블록 카피 모드 코딩을 위한 방법 및 장치
KR1020237029405A Pending KR20230135670A (ko) 2021-09-17 2022-04-15 조인트 모션 벡터 차이 코딩

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020237029405A Pending KR20230135670A (ko) 2021-09-17 2022-04-15 조인트 모션 벡터 차이 코딩

Country Status (6)

Country Link
US (2) US12120290B2 (https=)
EP (1) EP4402895A4 (https=)
JP (4) JP7670829B2 (https=)
KR (2) KR20230062626A (https=)
CN (4) CN120321404A (https=)
WO (2) WO2023043494A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12022112B2 (en) * 2021-11-18 2024-06-25 Tencent America LLC MVD scaling for joint MVD coding
CN120128717A (zh) * 2023-12-10 2025-06-10 腾讯科技（深圳）有限公司 视频解码方法、视频编码方法、装置、存储介质及电子设备
US12542161B1 (en) * 2025-07-29 2026-02-03 Hamid Najafi Performance recording data based on temporal analysis

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102257269B1 (ko) 2013-10-14 2021-05-26 마이크로소프트 테크놀로지 라이센싱, 엘엘씨 비디오 및 이미지 코딩 및 디코딩을 위한 인트라 블록 카피 예측 모드의 피쳐
WO2015100515A1 (en) * 2013-12-30 2015-07-09 Qualcomm Incorporated Simplification of segment-wise dc coding of large prediction blocks in 3d video coding
US10477232B2 (en) 2014-03-21 2019-11-12 Qualcomm Incorporated Search region determination for intra block copy in video coding
WO2016200984A1 (en) 2015-06-08 2016-12-15 Vid Scale, Inc. Intra block copy mode for screen content coding
KR20180043151A (ko) * 2016-10-19 2018-04-27 에스케이텔레콤 주식회사 영상 부호화 또는 복호화를 위한 장치 및 방법
CN110662077B (zh) * 2018-06-30 2022-07-05 北京字节跳动网络技术有限公司 用于视频编解码的对称性双向预测模式
EP4383713A3 (en) * 2018-09-21 2024-08-28 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method for encoding/decoding image signal and apparatus therefor
WO2020060366A1 (ko) * 2018-09-22 2020-03-26 엘지전자 주식회사 인터 예측을 기반으로 비디오 신호를 처리하기 위한 방법 및 장치
TWI815974B (zh) * 2018-09-23 2023-09-21 大陸商北京字節跳動網絡技術有限公司 具有自適應運動矢量分辨率的運動矢量的修改
KR102572355B1 (ko) 2018-11-30 2023-08-30 텐센트 아메리카 엘엘씨 비디오 코딩을 위한 방법 및 장치
JP6933235B2 (ja) * 2018-12-13 2021-09-08 株式会社Ｊｖｃケンウッド 画像復号装置、画像復号方法、及び画像復号プログラム
US10771799B2 (en) 2019-01-15 2020-09-08 Tencent America LLC Method and apparatus for video coding
EP3939303A1 (en) * 2019-03-11 2022-01-19 VID SCALE, Inc. Symmetric merge mode motion vector coding
WO2020211755A1 (en) * 2019-04-14 2020-10-22 Beijing Bytedance Network Technology Co., Ltd. Motion vector and prediction sample refinement
US11451826B2 (en) * 2019-04-15 2022-09-20 Tencent America LLC Lossless coding mode and switchable residual coding
WO2020221258A1 (en) 2019-04-28 2020-11-05 Beijing Bytedance Network Technology Co., Ltd. Symmetric motion vector difference coding
EP3977741A4 (en) 2019-05-30 2023-05-24 Beijing Dajia Internet Information Technology Co., Ltd. METHOD AND DEVICE FOR SIGNALING A SYMMETRIC MOTION VECTOR DIFFERENTIAL MODE
US20200402546A1 (en) * 2019-06-24 2020-12-24 Seagate Technology Llc Reducing base deck porosity
CN121056626A (zh) * 2019-07-19 2025-12-02 韦勒斯标准与技术协会公司 视频信号处理方法和设备
US11553197B2 (en) * 2019-08-05 2023-01-10 Tencent America LLC Method and apparatus for intra picture block compensation
US11930208B2 (en) * 2020-01-10 2024-03-12 Tencent America LLC Method and apparatus for signaling skip mode flag
WO2021155862A1 (en) * 2020-02-07 2021-08-12 Beijing Bytedance Network Technology Co., Ltd. Bv list construction process of ibc blocks under merge estimation region
US11496729B2 (en) * 2020-10-19 2022-11-08 Tencent America LLC Method and apparatus for video coding
CN116711311A (zh) * 2020-10-21 2023-09-05 抖音视界有限公司 帧内编解码中的样点字符串处理
US11800092B2 (en) 2021-11-17 2023-10-24 Tencent America LLC Joint signaling method for motion vector difference
US12316877B2 (en) * 2022-07-06 2025-05-27 Qualcomm Incorporated High-level syntax control flags for template matching-related coding tools in video coding

Also Published As

Publication number Publication date
JP2024506169A (ja) 2024-02-09
KR20230135670A (ko) 2023-09-25
WO2023043495A1 (en) 2023-03-23
EP4402895A4 (en) 2025-01-08
CN120455661A (zh) 2025-08-08
CN116584097A (zh) 2023-08-11
CN116584097B (zh) 2025-06-24
US20230093129A1 (en) 2023-03-23
CN116368800B (zh) 2025-05-30
WO2023043494A1 (en) 2023-03-23
JP2023553921A (ja) 2023-12-26
JP7648781B2 (ja) 2025-03-18
JP2025118674A (ja) 2025-08-13
JP2025108412A (ja) 2025-07-23
US12120290B2 (en) 2024-10-15
CN120321404A (zh) 2025-07-15
US20250063156A1 (en) 2025-02-20
JP7833074B2 (ja) 2026-03-18
CN116368800A (zh) 2023-06-30
JP7670829B2 (ja) 2025-04-30
EP4402895A1 (en) 2024-07-24

Similar Documents

Publication Publication Date Title
US12413779B2 (en) Method and apparatus for intra block copy (IntraBC) mode coding with search range restrictions
US20250063156A1 (en) Method and apparatus for intra block copy mode coding with search range switching
KR20230135641A (ko) 적응형 모션 벡터 차이 해상도를 위한 공동 코딩
KR20230129067A (ko) 결합 mvd 코딩을 위한 mvd 스케일링
KR20220122767A (ko) 비디오 코딩을 위한 방법 및 장치
KR20220165279A (ko) 다중 참조 라인 인트라 예측과 변환 파티셔닝 사이의 조화된 설계
US12355962B2 (en) Method and apparatus for intra block copy prediction with sample padding
US12388979B2 (en) IntraBC using wedgelet partitioning
KR20230088482A (ko) 참조 프레임들에 대한 적응적 재순서화를 위한 방법 및 장치
KR20230054889A (ko) 크로스 컴포넌트 블록 끝 플래그 코딩
KR102926078B1 (ko) 크로스-컴포넌트 변환 계수 레벨 재구성
KR20230159603A (ko) 다중 예측 모드에 기반한 교차 채널 예측
KR20230136646A (ko) 모션 벡터 후보들을 리파인하기 위한 방법들 및 디바이스들
KR20240051259A (ko) 루마로부터의 크로마 예측을 위한 다운샘플링 필터들의 선택
KR20240122500A (ko) 병합된 크로마 블록들에 기초한 루마로부터 크로마 예측
KR20230106699A (ko) 모션 벡터 차이 코딩을 위한 개선된 컨텍스트 도출
KR20240004995A (ko) 스킵 변환 플래그 코딩
KR20230152733A (ko) 이웃 루마 샘플들을 사용하는 루마로부터의 크로마 예측
KR20230136169A (ko) 단일-참조 모션 벡터 차이에 대한 적응적 해상도
KR20240093604A (ko) 인터 예측 모드들에서 신택스 요소들을 코딩 및 디코딩하기 위한 컨텍스트 설계

Legal Events

Date Code Title Description
A201 Request for examination
E13-X000 Pre-grant limitation requested

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

P11-X000 Amendment of application requested

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

P13-X000 Application amended

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

PA0105 International application

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

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

PG1501 Laying open of application

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

D21 Rejection of application intended

Free format text: ST27 STATUS EVENT CODE: A-1-2-D10-D21-EXM-PE0902 (AS PROVIDED BY THE NATIONAL OFFICE)

PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

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