JP7652927B2 - 動きベクトル差の適応解像度を調整するための方式 - Google Patents

動きベクトル差の適応解像度を調整するための方式 Download PDF

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JP7652927B2
JP7652927B2 JP2023560903A JP2023560903A JP7652927B2 JP 7652927 B2 JP7652927 B2 JP 7652927B2 JP 2023560903 A JP2023560903 A JP 2023560903A JP 2023560903 A JP2023560903 A JP 2023560903A JP 7652927 B2 JP7652927 B2 JP 7652927B2
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mvd
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video
pixel
coding
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JP2024513066A (ja
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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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    • 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
    • H04N19/169—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
    • H04N19/50—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
    • H04N19/50—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
    • 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
    • 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

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  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2023560903A 2022-01-24 2022-06-03 動きベクトル差の適応解像度を調整するための方式 Active JP7652927B2 (ja)

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JP2025041065A JP2025094027A (ja) 2022-01-24 2025-03-14 動きベクトル差の適応解像度を調整するための方式

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202263302518P 2022-01-24 2022-01-24
US63/302,518 2022-01-24
US17/824,193 2022-05-25
US17/824,193 US12192473B2 (en) 2021-10-21 2022-05-25 Schemes for adjusting adaptive resolution for motion vector difference
PCT/US2022/032077 WO2023140884A1 (en) 2022-01-24 2022-06-03 Schemes for adjusting adaptive resolution for motion vector difference

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JP2024513066A JP2024513066A (ja) 2024-03-21
JP7652927B2 true JP7652927B2 (ja) 2025-03-27

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JP2025041065A Pending JP2025094027A (ja) 2022-01-24 2025-03-14 動きベクトル差の適応解像度を調整するための方式

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EP (1) EP4470212A4 (enExample)
JP (2) JP7652927B2 (enExample)
KR (1) KR20230145144A (enExample)
CN (2) CN116830572B (enExample)
AU (1) AU2022434642A1 (enExample)
CA (1) CA3213660A1 (enExample)
WO (1) WO2023140884A1 (enExample)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12382057B2 (en) * 2021-10-21 2025-08-05 Tencent America LLC Interdependence between adaptive resolution of motion vector difference and signaling/derivation of motion vector-related parameters
WO2025096760A1 (en) * 2023-10-31 2025-05-08 Google Llc Motion vector coding based on precision adaptive codebooks

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180098089A1 (en) 2016-10-04 2018-04-05 Qualcomm Incorporated Adaptive motion vector precision for video coding
WO2020259681A1 (en) 2019-06-25 2020-12-30 Beijing Bytedance Network Technology Co., Ltd. Restrictions on motion vector difference
US20210289225A1 (en) 2018-09-19 2021-09-16 Beijing Bytedance Network Technology Co., Ltd. Syntax reuse for affine mode with adaptive motion vector resolution

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Publication number Priority date Publication date Assignee Title
US20120201293A1 (en) * 2009-10-14 2012-08-09 Guo Liwei Methods and apparatus for adaptive coding of motion information
US10531116B2 (en) * 2014-01-09 2020-01-07 Qualcomm Incorporated Adaptive motion vector resolution signaling for video coding
EP3355582B1 (en) * 2015-09-24 2021-04-28 LG Electronics Inc. Amvr-based image coding method and apparatus in image coding system
TWI731345B (zh) * 2018-06-19 2021-06-21 大陸商北京字節跳動網絡技術有限公司 模式相依運動向量差精確集
KR20250030035A (ko) * 2018-07-02 2025-03-05 엘지전자 주식회사 어파인 예측을 이용하여 비디오 신호를 처리하기 위한 방법 및 장치
US11758125B2 (en) * 2019-01-02 2023-09-12 Lg Electronics Inc. Device and method for processing video signal by using inter prediction
CN117676134A (zh) * 2019-04-25 2024-03-08 北京字节跳动网络技术有限公司 对运动矢量差的约束
CN119732052A (zh) * 2020-05-01 2025-03-28 抖音视界有限公司 用于运动精度语法的熵编解码

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180098089A1 (en) 2016-10-04 2018-04-05 Qualcomm Incorporated Adaptive motion vector precision for video coding
JP2019534626A (ja) 2016-10-04 2019-11-28 クアルコム，インコーポレイテッド ビデオコーディングのための適応的な動きベクトル精度
US20210289225A1 (en) 2018-09-19 2021-09-16 Beijing Bytedance Network Technology Co., Ltd. Syntax reuse for affine mode with adaptive motion vector resolution
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
WO2020259681A1 (en) 2019-06-25 2020-12-30 Beijing Bytedance Network Technology Co., Ltd. Restrictions on motion vector difference
US20220103829A1 (en) 2019-06-25 2022-03-31 Beijing Bytedance Network Technology Co., Ltd. Restrictions on motion vector difference
JP2022538279A (ja) 2019-06-25 2022-09-01 北京字節跳動網絡技術有限公司 動きベクトルの差に関する制限

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JP2025094027A (ja) 2025-06-24
CN116830572A (zh) 2023-09-29
CN116830572B (zh) 2025-05-30
JP2024513066A (ja) 2024-03-21
AU2022434642A1 (en) 2023-10-19
CA3213660A1 (en) 2023-07-27
WO2023140884A1 (en) 2023-07-27
EP4470212A1 (en) 2024-12-04
CN120343239A (zh) 2025-07-18
EP4470212A4 (en) 2025-12-03
KR20230145144A (ko) 2023-10-17

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