KR20230135641A - 적응형 모션 벡터 차이 해상도를 위한 공동 코딩 - Google Patents

적응형 모션 벡터 차이 해상도를 위한 공동 코딩 Download PDF

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KR20230135641A
KR20230135641A KR1020237028851A KR20237028851A KR20230135641A KR 20230135641 A KR20230135641 A KR 20230135641A KR 1020237028851 A KR1020237028851 A KR 1020237028851A KR 20237028851 A KR20237028851 A KR 20237028851A KR 20230135641 A KR20230135641 A KR 20230135641A
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mvd
coding
prediction
block
video
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Korean (ko)
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량 자오
신 자오
산 류
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텐센트 아메리카 엘엘씨
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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
    • H04N19/50—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
    • H04N19/10—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
    • H04N19/136—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
    • H04N19/157—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
    • H04N19/134—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
    • H04N19/30—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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • 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)
KR1020237028851A 2022-02-07 2022-07-27 적응형 모션 벡터 차이 해상도를 위한 공동 코딩 Pending KR20230135641A (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202263307413P 2022-02-07 2022-02-07
US63/307,413 2022-02-07
US17/869,232 US11979596B2 (en) 2022-02-07 2022-07-20 Joint coding for adaptive motion vector difference resolution
US17/869,232 2022-07-20
PCT/US2022/038444 WO2023149922A1 (en) 2022-02-07 2022-07-27 Joint coding for adaptive motion vector difference resolution

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KR20230135641A true KR20230135641A (ko) 2023-09-25

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US (3) US11979596B2 (https=)
EP (1) EP4476912A4 (https=)
JP (1) JP2025505071A (https=)
KR (1) KR20230135641A (https=)
CN (1) CN116941243A (https=)
AU (1) AU2022439147A1 (https=)
CA (1) CA3213656A1 (https=)
WO (1) WO2023149922A1 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220014778A1 (en) * 2018-11-30 2022-01-13 Interdigital Vc Holdings, Inc. Unified process and syntax for generalized prediction in video coding/decoding
US12155839B2 (en) 2021-10-21 2024-11-26 Tencent America LLC Adaptive resolution for single-reference motion vector difference
US12432372B2 (en) * 2022-03-16 2025-09-30 Tencent America LLC Systems and methods for template matching for adaptive MVD resolution
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
US20250097410A1 (en) * 2023-09-15 2025-03-20 Meta Platforms, Inc. Efficient interframe mode search for av1 encoding

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10536701B2 (en) 2011-07-01 2020-01-14 Qualcomm Incorporated Video coding using adaptive motion vector resolution
US10397600B1 (en) 2016-01-29 2019-08-27 Google Llc Dynamic reference motion vector coding mode
US10462462B2 (en) * 2016-09-29 2019-10-29 Qualcomm Incorporated Motion vector difference coding technique for video coding
KR102450863B1 (ko) * 2017-03-22 2022-10-05 에스케이텔레콤 주식회사 움직임벡터를 부호화 또는 복호화하기 위한 장치 및 방법
CN118233651A (zh) * 2018-06-07 2024-06-21 韦勒斯标准与技术协会公司 使用自适应运动矢量分辨率的视频信号处理方法及装置
WO2020047132A1 (en) 2018-08-29 2020-03-05 Vid Scale, Inc. Adaptive motion vector precision for affine motion model based video coding
JP7212150B2 (ja) * 2018-09-19 2023-01-24 北京字節跳動網絡技術有限公司 適応動きベクトル解像度によるアフィンモードへの構文の使用
WO2020221256A1 (en) * 2019-04-28 2020-11-05 Beijing Bytedance Network Technology Co., Ltd. Symmetric motion vector difference coding
US11190789B2 (en) * 2019-06-30 2021-11-30 Tencent America LLC Method and apparatus for video coding using inter-prediction mode signaling to dertermine motion vectors
US11405615B2 (en) 2020-03-26 2022-08-02 Tencent America LLC Joint transform coding of multiple color components
US11563980B2 (en) * 2020-04-02 2023-01-24 Qualcomm Incorporated General constraint information syntax in video coding
US12022112B2 (en) * 2021-11-18 2024-06-25 Tencent America LLC MVD scaling for joint MVD coding
US11943448B2 (en) * 2021-11-22 2024-03-26 Tencent America LLC Joint coding of motion vector difference

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WO2023149922A1 (en) 2023-08-10
JP2025505071A (ja) 2025-02-21
AU2022439147A1 (en) 2023-10-12
CA3213656A1 (en) 2023-08-10
EP4476912A1 (en) 2024-12-18
US12457354B2 (en) 2025-10-28
US20230254502A1 (en) 2023-08-10
CN116941243A (zh) 2023-10-24
EP4476912A4 (en) 2025-12-10
US20240251096A1 (en) 2024-07-25
US11979596B2 (en) 2024-05-07
US20260046441A1 (en) 2026-02-12

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