CN116569547B - 用于解码视频比特流的当前视频块的方法、装置及介质 - Google Patents

用于解码视频比特流的当前视频块的方法、装置及介质 Download PDF

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CN116569547B
CN116569547B CN202280007734.5A CN202280007734A CN116569547B CN 116569547 B CN116569547 B CN 116569547B CN 202280007734 A CN202280007734 A CN 202280007734A CN 116569547 B CN116569547 B CN 116569547B
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mvd
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video
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prediction
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CN116569547A (zh
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赵亮
赵欣
刘杉
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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
    • H04N19/134—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
    • H04N19/10—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
    • 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
    • H04N19/70—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)
CN202280007734.5A 2021-10-20 2022-10-07 用于解码视频比特流的当前视频块的方法、装置及介质 Active CN116569547B (zh)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US202163257856P 2021-10-20 2021-10-20
US63/257,856 2021-10-20
US202163289118P 2021-12-13 2021-12-13
US63/289,118 2021-12-13
US17/960,206 2022-10-05
US17/960,206 US12120308B2 (en) 2021-10-20 2022-10-05 Methods and devices for restriction on motion vector difference
PCT/US2022/045994 WO2023069257A1 (en) 2021-10-20 2022-10-07 Methods and devices for restriction on motion vector difference

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CN116569547A CN116569547A (zh) 2023-08-08
CN116569547B true CN116569547B (zh) 2025-04-25

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US (1) US12120308B2 (https=)
EP (1) EP4420349A4 (https=)
JP (1) JP2024538898A (https=)
KR (1) KR20230117614A (https=)
CN (1) CN116569547B (https=)
WO (1) WO2023069257A1 (https=)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116830581A (zh) * 2021-09-15 2023-09-29 腾讯美国有限责任公司 用于运动矢量差的经改进的信令方法和装置

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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
SG11202012701XA (en) 2018-07-02 2021-01-28 Huawei Tech Co Ltd Motion vector prediction method and apparatus, encoder, and decoder
US10362330B1 (en) 2018-07-30 2019-07-23 Tencent America LLC Combining history-based motion vector prediction and non-adjacent merge prediction
MX2021003135A (es) * 2018-09-17 2021-05-14 Samsung Electronics Co Ltd Metodo de codificacion y decodificacion de informacion de movimiento, y aparatos para codificar y decodificar informacion de movimiento.
US11197017B2 (en) 2018-12-06 2021-12-07 Tencent America LLC Methods and apparatuses for video coding
CN113196773B (zh) 2018-12-21 2024-03-08 北京字节跳动网络技术有限公司 具有运动矢量差的Merge模式中的运动矢量精度
KR102700489B1 (ko) 2019-04-25 2024-08-28 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 모션 벡터 차에 대한 제한
JP7436527B2 (ja) 2019-06-25 2024-02-21 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
CN112312131B (zh) 2020-12-31 2021-04-06 腾讯科技（深圳）有限公司 一种帧间预测方法、装置、设备及计算机可读存储介质

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116830581A (zh) * 2021-09-15 2023-09-29 腾讯美国有限责任公司 用于运动矢量差的经改进的信令方法和装置

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Publication number Publication date
JP2024538898A (ja) 2024-10-28
US12120308B2 (en) 2024-10-15
CN116569547A (zh) 2023-08-08
EP4420349A1 (en) 2024-08-28
WO2023069257A1 (en) 2023-04-27
EP4420349A4 (en) 2025-01-22
US20230116983A1 (en) 2023-04-20
KR20230117614A (ko) 2023-08-08

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