CN113170176A - 视频编码器、视频解码器及相应方法 - Google Patents

视频编码器、视频解码器及相应方法 Download PDF

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CN113170176A
CN113170176A CN202080005016.5A CN202080005016A CN113170176A CN 113170176 A CN113170176 A CN 113170176A CN 202080005016 A CN202080005016 A CN 202080005016A CN 113170176 A CN113170176 A CN 113170176A
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current image
list
motion vector
equal
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CN113170176B (zh
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陈旭
杨海涛
张恋
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Huawei Technologies Co Ltd
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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
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    • 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
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Abstract

本发明实施例提供视频编码器、视频解码器及相应方法，该方法包括：在满足多个预设条件的情况下，对当前图像块进行基于双向预测的光流技术BDOF处理，以得到当前图像块的预测像素值；多个预设条件至少包括当前图像块的尺寸满足第一预设尺寸，当前图像块的尺寸满足第一预设尺寸包括：当前图像块的高H大于或等于8，以及，在当前图像块的宽W与高H的乘积等于64的情况下，宽W不等于高H；至少根据当前图像块的预测像素值，重建当前图像块；将语法元素编入待传输的码流，语法元素至少用于指示采用双向预测。采用本发明实施例，能够一定程度上实现编码/解码复杂度与预测准确度之间的平衡。

Description

PCT国内申请，说明书已公开。

Claims (47)

  1. PCT国内申请，权利要求书已公开。
CN202080005016.5A 2019-06-24 2020-06-24 视频编码器、视频解码器及相应方法 Active CN113170176B (zh)

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TW202224429A (zh) 2022-06-16
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WO2020259567A1 (zh) 2020-12-30
KR20220024737A (ko) 2022-03-03
JP2024037999A (ja) 2024-03-19
TWI748522B (zh) 2021-12-01
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US20220116619A1 (en) 2022-04-14
EP3982633A4 (en) 2022-08-10
JP7410191B2 (ja) 2024-01-09
MX2022000202A (es) 2022-01-24
BR112021026123A2 (pt) 2022-02-08
EP3982633A1 (en) 2022-04-13
TWI806212B (zh) 2023-06-21
CN112135141A (zh) 2020-12-25
CA3145056A1 (en) 2020-12-30
JP2022539030A (ja) 2022-09-07
CN113170176B (zh) 2022-04-26

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