KR20230106699A - 모션 벡터 차이 코딩을 위한 개선된 컨텍스트 도출 - Google Patents

모션 벡터 차이 코딩을 위한 개선된 컨텍스트 도출 Download PDF

Info

Publication number
KR20230106699A
KR20230106699A KR1020237021020A KR20237021020A KR20230106699A KR 20230106699 A KR20230106699 A KR 20230106699A KR 1020237021020 A KR1020237021020 A KR 1020237021020A KR 20237021020 A KR20237021020 A KR 20237021020A KR 20230106699 A KR20230106699 A KR 20230106699A
Authority
KR
South Korea
Prior art keywords
prediction
inter
context
motion vector
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
KR1020237021020A
Other languages
English (en)
Korean (ko)
Inventor
량 자오
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 KR20230106699A publication Critical patent/KR20230106699A/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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • 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
    • H04N19/10—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
    • H04N19/102—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
    • H04N19/134—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
    • H04N19/70—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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Eye Examination Apparatus (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
KR1020237021020A 2021-10-27 2022-04-15 모션 벡터 차이 코딩을 위한 개선된 컨텍스트 도출 Pending KR20230106699A (ko)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US202163272648P 2021-10-27 2021-10-27
US63/272,648 2021-10-27
US202163289124P 2021-12-13 2021-12-13
US63/289,124 2021-12-13
US17/700,887 US12069274B2 (en) 2021-10-27 2022-03-22 Context derivation for motion vector difference coding
US17/700,887 2022-03-22
PCT/US2022/025054 WO2023075834A1 (en) 2021-10-27 2022-04-15 Improved context derivation for motion vector difference coding

Publications (1)

Publication Number Publication Date
KR20230106699A true KR20230106699A (ko) 2023-07-13

Family

ID=86056230

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020237021020A Pending KR20230106699A (ko) 2021-10-27 2022-04-15 모션 벡터 차이 코딩을 위한 개선된 컨텍스트 도출

Country Status (6)

Country Link
US (2) US12069274B2 (https=)
EP (1) EP4201068A4 (https=)
JP (2) JP2024511725A (https=)
KR (1) KR20230106699A (https=)
CN (2) CN117042590A (https=)
WO (1) WO2023075834A1 (https=)

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0210288D0 (en) * 2002-05-04 2002-06-12 Univ Nottingham Ocular display apparatus for assessment and measurement of and for treatment of ocular disorders, and methods therefor
US7978769B2 (en) * 2003-06-30 2011-07-12 Ntt Docomo, Inc. Method and apparatus for coding motion information
WO2015126987A1 (en) * 2014-02-18 2015-08-27 Merge Labs, Inc. Head mounted display goggles for use with mobile computing devices
US10268044B1 (en) * 2015-05-29 2019-04-23 Lockheed Martin Corporation Three-dimensional (3D) immersive viewer system
US10142652B2 (en) * 2016-05-05 2018-11-27 Google Llc Entropy coding motion vector residuals obtained using reference motion vectors
CN106037626B (zh) * 2016-07-12 2017-11-03 吴越 一种头戴式视野检查仪
US11356693B2 (en) 2016-09-29 2022-06-07 Qualcomm Incorporated Motion vector coding for video coding
US10462462B2 (en) * 2016-09-29 2019-10-29 Qualcomm Incorporated Motion vector difference coding technique for video coding
US10701391B2 (en) * 2017-03-23 2020-06-30 Qualcomm Incorporated Motion vector difference (MVD) prediction
CN108324239B (zh) * 2018-02-06 2023-11-28 深圳视力棒医疗科技有限公司 便携式智能验光仪
KR102332528B1 (ko) 2018-10-10 2021-12-01 삼성전자주식회사 움직임 벡터 차분값을 이용한 비디오 부호화 및 복호화 방법, 및 움직임 정보의 부호화 및 복호화 장치
US11245920B2 (en) * 2019-08-23 2022-02-08 Qualcomm Incorporated Escape code coding for motion vector difference in video coding
FI4024858T3 (fi) 2019-08-29 2025-09-10 Lg Electronics Inc Komponenttien väliseen adaptiiviseen silmukkasuodatukseen perustuva kuvan koodauslaitteisto ja menetelmä
US20210092434A1 (en) * 2019-09-23 2021-03-25 Qualcomm Incorporated Adaptive motion vector resolution for affine motion model in video coding
US11779214B2 (en) * 2020-03-06 2023-10-10 Zachary Bodnar Systems and methods for measuring and classifying ocular misalignment
KR20240087718A (ko) * 2021-09-28 2024-06-19 퀄컴 인코포레이티드 비디오 코딩을 위한 모션 벡터 차이 부호 예측
US12069244B2 (en) * 2021-09-30 2024-08-20 Qualcomm Incorporated Decoder side motion derivation using spatial correlation
US12155839B2 (en) * 2021-10-21 2024-11-26 Tencent America LLC Adaptive resolution for single-reference motion vector difference
US11800092B2 (en) * 2021-11-17 2023-10-24 Tencent America LLC Joint signaling method for motion vector difference
US12355951B2 (en) * 2022-06-20 2025-07-08 Tencent America LLC Component dependent intra and inter prediction signaling

Also Published As

Publication number Publication date
US20230126552A1 (en) 2023-04-27
US20240414349A1 (en) 2024-12-12
JP2024539780A (ja) 2024-10-31
JP2024511725A (ja) 2024-03-15
US12069274B2 (en) 2024-08-20
EP4201068A1 (en) 2023-06-28
CN117044205A (zh) 2023-11-10
CN117042590A (zh) 2023-11-10
EP4201068A4 (en) 2023-11-15
WO2023075834A1 (en) 2023-05-04

Similar Documents

Publication Publication Date Title
US12200196B2 (en) Joint signaling method for motion vector difference
US11979596B2 (en) Joint coding for adaptive motion vector difference resolution
US12355975B2 (en) Joint coding of motion vector difference
KR20230129067A (ko) 결합 mvd 코딩을 위한 mvd 스케일링
KR20230091169A (ko) 모션 벡터 차이의 향상된 시그널링을 위한 방법 및 장치
KR20230135670A (ko) 조인트 모션 벡터 차이 코딩
KR20220165279A (ko) 다중 참조 라인 인트라 예측과 변환 파티셔닝 사이의 조화된 설계
KR20230140456A (ko) 적응적 모션 벡터 차이 해상도를 위한 보간 필터들
KR20230088482A (ko) 참조 프레임들에 대한 적응적 재순서화를 위한 방법 및 장치
WO2023069140A1 (en) Adaptive resolution for motion vector difference
KR20230054889A (ko) 크로스 컴포넌트 블록 끝 플래그 코딩
US12101502B2 (en) Methods and devices for refining motion vector candidates
KR20230133351A (ko) 모션 벡터 차이의 적응형 해상도와 모션 벡터-관련파라미터들의 시그널링/도출 사이의 상호의존
EP4402901A1 (en) Joint motion vector difference coding
KR20230054863A (ko) 크로스-컴포넌트 변환 계수 레벨 재구성
US12069274B2 (en) Context derivation for motion vector difference coding
JP7758420B2 (ja) 単一参照動きベクトル差分のための適応解像度
US20230116983A1 (en) Methods and devices for restriction on motion vector difference

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