KR20220115962A - 비디오 코딩에서 참조 픽처 리샘플링을 위한 랩어라운드 오프셋 - Google Patents

비디오 코딩에서 참조 픽처 리샘플링을 위한 랩어라운드 오프셋 Download PDF

Info

Publication number
KR20220115962A
KR20220115962A KR1020227020803A KR20227020803A KR20220115962A KR 20220115962 A KR20220115962 A KR 20220115962A KR 1020227020803 A KR1020227020803 A KR 1020227020803A KR 20227020803 A KR20227020803 A KR 20227020803A KR 20220115962 A KR20220115962 A KR 20220115962A
Authority
KR
South Korea
Prior art keywords
block
picture
video data
reference picture
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.)
Ceased
Application number
KR1020227020803A
Other languages
English (en)
Korean (ko)
Inventor
야오-젠 창
바딤 세레긴
무하메드 제이드 코반
Original Assignee
퀄컴 인코포레이티드
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 퀄컴 인코포레이티드 filed Critical 퀄컴 인코포레이티드
Publication of KR20220115962A publication Critical patent/KR20220115962A/ko
Ceased 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
    • H04N19/50—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
    • H04N19/563—Motion estimation with padding, i.e. with filling of non-object values in an arbitrarily shaped picture block or region for estimation purposes
    • 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
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal 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
    • H04N19/134—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
    • H04N19/169—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
    • H04N19/50—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
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • 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
    • H04N19/597—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Color Television Systems (AREA)
KR1020227020803A 2019-12-27 2020-12-23 비디오 코딩에서 참조 픽처 리샘플링을 위한 랩어라운드 오프셋 Ceased KR20220115962A (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962954341P 2019-12-27 2019-12-27
US62/954,341 2019-12-27
US17/131,192 US11425420B2 (en) 2019-12-27 2020-12-22 Wraparound offsets for reference picture resampling in video coding
US17/131,192 2020-12-22
PCT/US2020/066952 WO2021133979A1 (en) 2019-12-27 2020-12-23 Wraparound offsets for reference picture resampling in video coding

Publications (1)

Publication Number Publication Date
KR20220115962A true KR20220115962A (ko) 2022-08-19

Family

ID=76546772

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020227020803A Ceased KR20220115962A (ko) 2019-12-27 2020-12-23 비디오 코딩에서 참조 픽처 리샘플링을 위한 랩어라운드 오프셋

Country Status (9)

Country Link
US (1) US11425420B2 (https=)
EP (1) EP4082203A1 (https=)
JP (1) JP2023508368A (https=)
KR (1) KR20220115962A (https=)
CN (1) CN114846796B (https=)
IL (1) IL293447A (https=)
SA (1) SA522433105B1 (https=)
TW (1) TWI893042B (https=)
WO (1) WO2021133979A1 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN120264012B (zh) 2019-12-17 2026-03-31 阿里巴巴（中国）有限公司 执行环绕运动补偿的方法
US11418804B2 (en) * 2019-12-31 2022-08-16 Tencent America LLC Method for wrap around motion compensation with reference picture resampling
US11368708B2 (en) * 2020-01-08 2022-06-21 Tencent America LLC Method for combination of wrap-around offset and reference picture resampling
US11412253B2 (en) * 2020-02-24 2022-08-09 Alibaba Group Holding Limited Methods for combining decoder side motion vector refinement with wrap-around motion compensation
KR20260041166A (ko) * 2020-03-26 2026-03-26 엘지전자 주식회사 랩-어라운드 움직임 보상에 기반하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
CN120075459B (zh) * 2020-03-26 2026-01-09 阿里巴巴（中国）有限公司 用信号通知视频编码数据的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11308610A (ja) * 1998-04-02 1999-11-05 Daewoo Electronics Co Ltd 映像信号適応的符号化装置
US10382781B2 (en) * 2016-09-28 2019-08-13 Qualcomm Incorporated Interpolation filters for intra prediction in video coding
US10643301B2 (en) * 2017-03-20 2020-05-05 Qualcomm Incorporated Adaptive perturbed cube map projection
US11212438B2 (en) * 2018-02-14 2021-12-28 Qualcomm Incorporated Loop filter padding for 360-degree video coding
US11252434B2 (en) * 2018-12-31 2022-02-15 Tencent America LLC Method for wrap-around padding for omnidirectional media coding
US11539939B2 (en) * 2019-11-27 2022-12-27 Hfi Innovation Inc. Video processing methods and apparatuses for horizontal wraparound motion compensation in video coding systems
CN120264012B (zh) * 2019-12-17 2026-03-31 阿里巴巴（中国）有限公司 执行环绕运动补偿的方法

Also Published As

Publication number Publication date
CN114846796B (zh) 2026-04-24
SA522433105B1 (ar) 2024-02-22
CN114846796A (zh) 2022-08-02
US11425420B2 (en) 2022-08-23
IL293447A (en) 2022-07-01
US20210203988A1 (en) 2021-07-01
TWI893042B (zh) 2025-08-11
JP2023508368A (ja) 2023-03-02
WO2021133979A1 (en) 2021-07-01
EP4082203A1 (en) 2022-11-02
TW202131676A (zh) 2021-08-16

Similar Documents

Publication Publication Date Title
KR102455655B1 (ko) 비디오 코딩에서의 계수 도메인 블록 차동 펄스-코드 변조
US11310533B2 (en) Quantization parameter signaling for joint chroma residual mode in video coding
KR20220020266A (ko) 비디오 코딩에서 저주파수 분리불가능한 변환을 위한 변환 및 마지막 유의 계수 위치 시그널링
US20210235124A1 (en) Decoded picture buffer (dpb) parameter signaling for video coding
KR20220162697A (ko) 비디오 코딩에서 크로마 스케일링에 의한 루마 맵핑(lmcs)
US11457229B2 (en) LFNST signaling for chroma based on chroma transform skip
KR20220112781A (ko) 비디오 코딩에서 서브픽처들에 대한 참조 서브픽처 스케일링 비율들
KR20220032563A (ko) 비디오 코딩에서의 랩어라운드 모션 보상
US11425420B2 (en) Wraparound offsets for reference picture resampling in video coding
US11395014B2 (en) Transform unit design for video coding
US20210266600A1 (en) Reference picture list and collocated picture signaling in video coding
KR20220055465A (ko) 비디오 코딩 및 변환 유닛들에 대해 하이 레벨 신택스에서 시그널링하는 최대 및 최소 블록 사이즈들
KR20220115974A (ko) 비디오 코딩을 위한 다중 변환 세트 시그널링
US12149747B2 (en) High-level constraints for transform skip blocks in video coding
KR20220036945A (ko) 팔레트 및 예측 모드 시그널링
US11563963B2 (en) Determining whether to code picture header data of pictures of video data in slice headers
US11917141B2 (en) High-level deblocking filter (DBF), adaptive loop filter (ALF) and sample adaptive offset (SAO) control, and adaptation parameter set (APS) number constraint in video coding
US20200213589A1 (en) Buffer update of stored adaptive loop filter (alf) coefficients for random access coding in video coding
US11109070B2 (en) Constant slice header parameters signaled at higher syntax level for video coding
RU2832184C1 (ru) Смещения при циклическом переходе для повторной дискретизации опорных кадров в кодировании видео
HK40072851A (en) Wraparound offsets for reference picture resampling in video coding

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

D18-X000 Deferred examination requested

St.27 status event code: A-1-2-D10-D18-exm-X000

D19-X000 Deferred examination accepted

St.27 status event code: A-1-2-D10-D19-exm-X000

PA0201 Request for examination

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

D20 Deferred examination resumed

Free format text: ST27 STATUS EVENT CODE: A-1-2-D10-D20-EXM-X000 (AS PROVIDED BY THE NATIONAL OFFICE)

D20-X000 Deferred examination resumed

St.27 status event code: A-1-2-D10-D20-exm-X000

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

B15 Application refused following examination

Free format text: ST27 STATUS EVENT CODE: N-2-6-B10-B15-EXM-PE0601 (AS PROVIDED BY THE NATIONAL OFFICE)

PE0601 Decision on rejection of patent

St.27 status event code: N-2-6-B10-B15-exm-PE0601