CN115280778A - 帧间预测方法、编码器、解码器以及存储介质 - Google Patents

帧间预测方法、编码器、解码器以及存储介质 Download PDF

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CN115280778A
CN115280778A CN202080098554.3A CN202080098554A CN115280778A CN 115280778 A CN115280778 A CN 115280778A CN 202080098554 A CN202080098554 A CN 202080098554A CN 115280778 A CN115280778 A CN 115280778A
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current block
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CN202080098554.3A
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Inventor
马彦卓
霍俊彦
万帅
杨付正
冉启宏
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Publication of CN115280778A publication Critical patent/CN115280778A/zh
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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
    • H04N19/10Methods 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
    • H04N19/119Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • 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
    • H04N19/70Methods 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)

Abstract

本申请实施例公开了一种帧间预测方法、编码器、解码器以及存储介质,该方法包括:确定当前块的预测模式参数;当所述预测模式参数指示使用几何划分预测模式GPM确定当前块的帧间预测值时,确定所述当前块内分割线对应的角度和步长,并将角度索引值和步长索引值分别设置为所述角度和所述步长在预设映射表中对应的索引序号;基于所述当前块的尺寸信息以及所述角度索引值,利用预设模型确定所述当前块的偏移方向标识值;其中,所述偏移方向标识值用于指示所述当前块在所述角度下不同分割线之间的位移方向;基于所述偏移方向标识值和所述步长索引值,对所述当前块进行帧间预测。

Description

PCT国内申请,说明书已公开。

Claims (30)

  1. PCT国内申请,权利要求书已公开。
CN202080098554.3A 2020-04-03 2020-04-03 帧间预测方法、编码器、解码器以及存储介质 Pending CN115280778A (zh)

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PCT/CN2020/083356 WO2021196228A1 (zh) 2020-04-03 2020-04-03 帧间预测方法、编码器、解码器以及存储介质

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CN115280778A true CN115280778A (zh) 2022-11-01

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US (1) US20230080546A1 (zh)
EP (1) EP4131956A4 (zh)
CN (1) CN115280778A (zh)
TW (1) TW202139707A (zh)
WO (1) WO2021196228A1 (zh)

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CN114422781B (zh) * 2022-03-29 2022-07-12 深圳传音控股股份有限公司 图像处理方法、智能终端及存储介质

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TWI536811B (zh) * 2013-12-27 2016-06-01 財團法人工業技術研究院 影像處理方法與系統、解碼方法、編碼器與解碼器
CN108293132A (zh) * 2015-11-24 2018-07-17 三星电子株式会社 图像编码方法和装置以及图像解码方法和装置

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US20230080546A1 (en) 2023-03-16
WO2021196228A1 (zh) 2021-10-07
EP4131956A1 (en) 2023-02-08
TW202139707A (zh) 2021-10-16
EP4131956A4 (en) 2023-05-03

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