KR20240134942A - 공동 mvd 코딩을 위한 유연한 스케일링 인자 - Google Patents

공동 mvd 코딩을 위한 유연한 스케일링 인자 Download PDF

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Publication number
KR20240134942A
KR20240134942A KR1020247026405A KR20247026405A KR20240134942A KR 20240134942 A KR20240134942 A KR 20240134942A KR 1020247026405 A KR1020247026405 A KR 1020247026405A KR 20247026405 A KR20247026405 A KR 20247026405A KR 20240134942 A KR20240134942 A KR 20240134942A
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South Korea
Prior art keywords
mvd
scaling factor
video
jmvd
block
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Pending
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KR1020247026405A
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English (en)
Korean (ko)
Inventor
량 자오
한 가오
신 자오
샨 리우
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텐센트 아메리카 엘엘씨
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Publication of KR20240134942A publication Critical patent/KR20240134942A/ko
Pending legal-status Critical Current

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    • 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
    • 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
    • H04N19/124—Quantisation
    • 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
    • H04N19/46—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
    • 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
    • H04N19/503—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
    • H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020247026405A 2022-05-16 2022-11-08 공동 mvd 코딩을 위한 유연한 스케일링 인자 Pending KR20240134942A (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202263342441P 2022-05-16 2022-05-16
US63/342,441 2022-05-16
US17/982,139 US12219146B2 (en) 2022-05-16 2022-11-07 Flexible scaling factors for joint MVD coding
US17/982,139 2022-11-07
PCT/US2022/049243 WO2023224655A1 (en) 2022-05-16 2022-11-08 Flexible scaling factors for joint mvd coding

Publications (1)

Publication Number Publication Date
KR20240134942A true KR20240134942A (ko) 2024-09-10

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KR1020247026405A Pending KR20240134942A (ko) 2022-05-16 2022-11-08 공동 mvd 코딩을 위한 유연한 스케일링 인자

Country Status (6)

Country Link
US (2) US12219146B2 (https=)
EP (1) EP4527068A4 (https=)
JP (1) JP2025517262A (https=)
KR (1) KR20240134942A (https=)
CN (1) CN117413513A (https=)
WO (1) WO2023224655A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12155839B2 (en) * 2021-10-21 2024-11-26 Tencent America LLC Adaptive resolution for single-reference motion vector difference
US20230328227A1 (en) * 2022-04-07 2023-10-12 Tencent America LLC Systems and methods for joint coding of motion vector difference using template matching based scaling factor derivation

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10200711B2 (en) 2015-03-27 2019-02-05 Qualcomm Incorporated Motion vector derivation in video coding
US11363253B2 (en) 2016-05-13 2022-06-14 Vid Scale, Inc. Systems and methods for generalized multi-hypothesis prediction for video coding
US10986343B2 (en) * 2018-04-15 2021-04-20 Arris Enterprises Llc Reducing overhead for multiple-hypothesis temporal prediction
MX2021007225A (es) * 2018-12-17 2021-09-21 Interdigital Vc Holdings Inc Combinacion de herramientas de codificacion de diferencia de vector de movimiento con otros modos de movimiento.
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
KR102793883B1 (ko) * 2019-06-24 2025-04-11 엘지전자 주식회사 움직임 벡터를 이용한 영상 코딩 방법 및 장치
US20200402546A1 (en) * 2019-06-24 2020-12-24 Seagate Technology Llc Reducing base deck porosity
WO2021202104A1 (en) * 2020-03-29 2021-10-07 Alibaba Group Holding Limited Enhanced decoder side motion vector refinement
WO2021248115A1 (en) * 2020-06-06 2021-12-09 Alibaba Group Holding Limited Angular weighted prediction for inter prediction
US11516476B2 (en) 2020-07-10 2022-11-29 Sharp Kabushiki Kaisha Systems and methods for deriving a motion vector difference in video coding

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Publication number Publication date
US20250193410A1 (en) 2025-06-12
WO2023224655A1 (en) 2023-11-23
JP2025517262A (ja) 2025-06-05
CN117413513A (zh) 2024-01-16
US20230370604A1 (en) 2023-11-16
US12219146B2 (en) 2025-02-04
EP4527068A4 (en) 2026-04-01
EP4527068A1 (en) 2025-03-26

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