JP2025505071A - 適応型動きベクトル差解像度のための共同コーディング - Google Patents

適応型動きベクトル差解像度のための共同コーディング Download PDF

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JP2025505071A
JP2025505071A JP2023548345A JP2023548345A JP2025505071A JP 2025505071 A JP2025505071 A JP 2025505071A JP 2023548345 A JP2023548345 A JP 2023548345A JP 2023548345 A JP2023548345 A JP 2023548345A JP 2025505071 A JP2025505071 A JP 2025505071A
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mvd
coding
block
video
pixel resolution
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JP2025505071A5 (https=
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リアン・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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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • H04N19/517Processing of motion vectors by encoding
    • H04N19/52Processing of motion vectors by encoding by predictive encoding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/109Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • H04N19/137Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods 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)
JP2023548345A 2022-02-07 2022-07-27 適応型動きベクトル差解像度のための共同コーディング Pending JP2025505071A (ja)

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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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JP2025505071A true JP2025505071A (ja) 2025-02-21
JP2025505071A5 JP2025505071A5 (https=) 2025-08-04

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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=)

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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

Citations (4)

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US20140341297A1 (en) * 2011-07-01 2014-11-20 Qualcomm Incorporated Video coding using adaptive motion vector resolution
JP2019533363A (ja) * 2016-09-29 2019-11-14 クゥアルコム・インコーポレイテッドQualcomm Incorporated ビデオコーディングのための動きベクトルコーディング
JP2021526340A (ja) * 2018-06-07 2021-09-30 ウィルス インスティテュート オブ スタンダーズ アンド テクノロジー インコーポレイティド 適応的動きベクトル解像度を用いるビデオ信号処理方法及び装置
JP2022500909A (ja) * 2018-09-19 2022-01-04 北京字節跳動網絡技術有限公司Beijing Bytedance Network Technology Co., Ltd. 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

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US10397600B1 (en) 2016-01-29 2019-08-27 Google Llc Dynamic reference motion vector coding mode
KR102450863B1 (ko) * 2017-03-22 2022-10-05 에스케이텔레콤 주식회사 움직임벡터를 부호화 또는 복호화하기 위한 장치 및 방법
WO2020047132A1 (en) 2018-08-29 2020-03-05 Vid Scale, Inc. Adaptive motion vector precision for affine motion model based video coding
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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US20140341297A1 (en) * 2011-07-01 2014-11-20 Qualcomm Incorporated Video coding using adaptive motion vector resolution
JP2019533363A (ja) * 2016-09-29 2019-11-14 クゥアルコム・インコーポレイテッドQualcomm Incorporated ビデオコーディングのための動きベクトルコーディング
JP2021526340A (ja) * 2018-06-07 2021-09-30 ウィルス インスティテュート オブ スタンダーズ アンド テクノロジー インコーポレイティド 適応的動きベクトル解像度を用いるビデオ信号処理方法及び装置
JP2022500909A (ja) * 2018-09-19 2022-01-04 北京字節跳動網絡技術有限公司Beijing Bytedance Network Technology Co., Ltd. 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

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WO2023149922A1 (en) 2023-08-10
KR20230135641A (ko) 2023-09-25
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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