JP2025513132A - Ｊｍｖｄのためのバイラテラルマッチングベースのスケーリング係数導出 - Google Patents

Ｊｍｖｄのためのバイラテラルマッチングベースのスケーリング係数導出 Download PDF

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JP2025513132A
JP2025513132A JP2024516511A JP2024516511A JP2025513132A JP 2025513132 A JP2025513132 A JP 2025513132A JP 2024516511 A JP2024516511 A JP 2024516511A JP 2024516511 A JP2024516511 A JP 2024516511A JP 2025513132 A JP2025513132 A JP 2025513132A
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coding
motion vector
video
block
mvd
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Japanese (ja)
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JP2025513132A5 (enExample
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リャン・ジャオ
シン・ジャオ
シャン・リュウ
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Tencent America LLC
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Tencent America LLC
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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
    • H04N19/50—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
    • H04N19/105—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
    • H04N19/102—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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/156—Availability of hardware or computational resources, e.g. encoding based on power-saving criteria
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • 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
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/88—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving rearrangement of data among different coding units, e.g. shuffling, interleaving, scrambling or permutation of pixel data or permutation of transform coefficient data among different blocks

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2024516511A 2022-04-19 2022-11-08 Ｊｍｖｄのためのバイラテラルマッチングベースのスケーリング係数導出 Pending JP2025513132A (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202263332563P 2022-04-19 2022-04-19
US63/332,563 2022-04-19
US17/982,171 US11936903B2 (en) 2022-04-19 2022-11-07 Bilateral matching based scaling factor derivation for JMVD
US17/982,171 2022-11-07
PCT/US2022/049238 WO2023204849A1 (en) 2022-04-19 2022-11-08 Bilateral matching based scaling factor derivation for jmvd

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JP2025513132A true JP2025513132A (ja) 2025-04-24
JP2025513132A5 JP2025513132A5 (enExample) 2025-11-17

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US (2) US11936903B2 (enExample)
EP (1) EP4512088A4 (enExample)
JP (1) JP2025513132A (enExample)
KR (1) KR20240090347A (enExample)
CN (1) CN117256146B (enExample)
WO (1) WO2023204849A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12549735B2 (en) * 2022-06-20 2026-02-10 Tencent America LLC Bilateral matching for compound reference mode
US12047586B2 (en) * 2022-07-20 2024-07-23 Tencent America LLC Method and apparatus for inter prediction mode dependent scaling factors

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2769549A1 (en) * 2011-10-21 2014-08-27 Dolby Laboratories Licensing Corporation Hierarchical motion estimation for video compression and motion analysis
US20130170553A1 (en) 2012-01-04 2013-07-04 Qualcomm Incorporated Coding motion vector difference
US9854253B2 (en) 2014-06-30 2017-12-26 Qualcomm Incorporated Method for motion vector difference (MVD) and intra block copy vector difference (BVD) coding of screen content video data
KR102480191B1 (ko) 2016-05-13 2022-12-21 브이아이디 스케일, 인크. 비디오 코딩을 위한 일반화된 다중-가설 예측 시스템 및 방법
US10448010B2 (en) 2016-10-05 2019-10-15 Qualcomm Incorporated Motion vector prediction for affine motion models in video coding
US10701391B2 (en) 2017-03-23 2020-06-30 Qualcomm Incorporated Motion vector difference (MVD) prediction
WO2019216736A1 (ko) * 2018-05-11 2019-11-14 엘지전자 주식회사 인터 예측 모드 기반 영상 처리 방법 및 이를 위한 장치
US11310515B2 (en) * 2018-11-14 2022-04-19 Tencent America LLC Methods and apparatus for improvement for intra-inter prediction mode
US11025948B2 (en) * 2019-02-28 2021-06-01 Tencent America LLC Method and apparatus for motion prediction in video coding
US11516476B2 (en) 2020-07-10 2022-11-29 Sharp Kabushiki Kaisha Systems and methods for deriving a motion vector difference in video coding
US12052437B2 (en) * 2022-04-06 2024-07-30 Tencent America LLC Systems and methods for explicit signaling of scaling factors for joint coding of motion vector difference
US12641217B2 (en) * 2022-04-07 2026-05-26 Tencent America LLC Systems and methods for joint coding of motion vector difference using template matching based scaling factor derivation

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EP4512088A1 (en) 2025-02-26
US12537972B2 (en) 2026-01-27
EP4512088A4 (en) 2026-03-11
US11936903B2 (en) 2024-03-19
US20230336771A1 (en) 2023-10-19
WO2023204849A1 (en) 2023-10-26
KR20240090347A (ko) 2024-06-21
US20240244250A1 (en) 2024-07-18
CN117256146A (zh) 2023-12-19
CN117256146B (zh) 2026-04-24

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