CN115315953A - 一种帧间预测方法、编码器、解码器及存储介质 - Google Patents

一种帧间预测方法、编码器、解码器及存储介质 Download PDF

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CN115315953A
CN115315953A CN202080098827.4A CN202080098827A CN115315953A CN 115315953 A CN115315953 A CN 115315953A CN 202080098827 A CN202080098827 A CN 202080098827A CN 115315953 A CN115315953 A CN 115315953A
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China
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motion
candidate list
information
motion vector
current block
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CN202080098827.4A
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English (en)
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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 CN115315953A publication Critical patent/CN115315953A/zh
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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
    • H04N19/50—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
    • H04N19/10—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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/88—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving rearrangement of data among different coding units, e.g. shuffling, interleaving, scrambling or permutation of pixel data or permutation of transform coefficient data among different blocks

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

本申请实施例提供了一种帧间预测方法、编码器、解码器及存储介质，包括：确定当前块的预测模式参数；当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，获取当前块对应的融合运动信息候选列表；融合运动信息候选列表包括用于确定当前块的帧间预测值的一项或多项运动候选信息，其中，运动候选信息包括一个或两个运动矢量；按照运动候选信息在融合运动信息候选列表中的排列顺序，使用运动候选信息包括的运动矢量构造待填充运动信息候选列表，生成GPM运动信息候选列表，其中，GPM运动信息候选列表中的运动候选信息包括一个运动矢量；从GPM运动信息候选列表中，选取当前块中第一分区对应的第一运动矢量，以及当前块中第二分区对应的第二运动矢量；利用第一运动矢量和第二运动矢量，确定当前块的帧间预测值。

Description

PCT国内申请，说明书已公开。

Claims (25)

  1. PCT国内申请，权利要求书已公开。
CN202080098827.4A 2020-04-03 2020-04-03 一种帧间预测方法、编码器、解码器及存储介质 Pending CN115315953A (zh)

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PCT/CN2020/083342 WO2021196220A1 (zh) 2020-04-03 2020-04-03 一种帧间预测方法、编码器、解码器及存储介质

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CN115315953A true CN115315953A (zh) 2022-11-08

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US (1) US20230042640A1 (zh)
EP (1) EP4131958A4 (zh)
CN (1) CN115315953A (zh)
TW (1) TW202139700A (zh)
WO (1) WO2021196220A1 (zh)

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WO2023141338A1 (en) * 2022-01-21 2023-07-27 Beijing Dajia Internet Information Technology Co., Ltd. Methods and devices for geometric partitioning mode with split modes reordering
WO2023246868A1 (en) * 2022-06-21 2023-12-28 Beijing Bytedance Network Technology Co., Ltd. Method, apparatus, and medium for video processing

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JP5826747B2 (ja) * 2009-06-26 2015-12-02 トムソン ライセンシングＴｈｏｍｓｏｎ Ｌｉｃｅｎｓｉｎｇ 適応的な幾何学的な分割を使用した映像符号化及び復号化の方法及び装置
US9807424B2 (en) * 2011-01-10 2017-10-31 Qualcomm Incorporated Adaptive selection of region size for identification of samples in a transition zone for overlapped block motion compensation
CN112602324A (zh) * 2018-06-22 2021-04-02 Op方案有限责任公司 块水平几何划分

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EP4131958A1 (en) 2023-02-08
EP4131958A4 (en) 2023-04-26
WO2021196220A1 (zh) 2021-10-07
US20230042640A1 (en) 2023-02-09
TW202139700A (zh) 2021-10-16

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