CN113785592A - 运动补偿的处理方法、编码器、解码器以及存储介质 - Google Patents

运动补偿的处理方法、编码器、解码器以及存储介质 Download PDF

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CN113785592A
CN113785592A CN201980096079.3A CN201980096079A CN113785592A CN 113785592 A CN113785592 A CN 113785592A CN 201980096079 A CN201980096079 A CN 201980096079A CN 113785592 A CN113785592 A CN 113785592A
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search
pixels
motion vector
directions
steps
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CN201980096079.3A
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霍俊彦
马彦卓
万帅
杨付正
郭泽
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority to CN202111584028.0A priority Critical patent/CN114222136A/zh
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    • 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
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    • 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
    • H04N19/533—Motion estimation using multistep search, e.g. 2D-log search or one-at-a-time search [OTS]
    • H—ELECTRICITY
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    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
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    • H04N19/57—Motion estimation characterised by a search window with variable size or shape
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    • 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
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    • 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
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    • H04N19/182—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 a pixel
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    • 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
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    • 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

Abstract

一种运动补偿的处理方法、编码器、解码器以及存储介质，所述方法包括：基于初始运动矢量建立搜索位置星座图(11)；基于预设范围覆盖规则，从所述搜索位置星座图中选取至少一个搜索位置(12)；其中，所述预设范围覆盖规则为将预设搜索点个数分散在所述N个搜索方向上进行选取；将至少一个搜索位置作为新的运动矢量，基于所述新的运动矢量进行运动补偿得到编码单元CU的预测值(13)。从而，避免一部分搜索步长不会被选中所带来的编码效率降低的问题；并且保证大多数物体的运动情况得到满足，更加精确的对运动信息进行表示。

Description

PCT国内申请，说明书已公开。

Claims (20)

  1. PCT国内申请，权利要求书已公开。
CN201980096079.3A 2019-06-25 2019-06-25 运动补偿的处理方法、编码器、解码器以及存储介质 Pending CN113785592A (zh)

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JP7381615B2 (ja) 2023-11-15
KR20220024020A (ko) 2022-03-03
US20220103857A1 (en) 2022-03-31
US11910003B2 (en) 2024-02-20
US11490113B2 (en) 2022-11-01
EP3972257A1 (en) 2022-03-23
JP2022541104A (ja) 2022-09-22
EP3972257A4 (en) 2022-06-08
US20230007295A1 (en) 2023-01-05
CN114222136A (zh) 2022-03-22
WO2020258039A1 (zh) 2020-12-30

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