CN110731081A - 图像编码方法、装置以及电子设备 - Google Patents

图像编码方法、装置以及电子设备 Download PDF

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CN110731081A
CN110731081A CN201780091732.8A CN201780091732A CN110731081A CN 110731081 A CN110731081 A CN 110731081A CN 201780091732 A CN201780091732 A CN 201780091732A CN 110731081 A CN110731081 A CN 110731081A
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block
blocks
frequency domain
residual coefficients
coding
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CN110731081B (zh
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朱建清
姚杰
蔡文婷
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Fujitsu Ltd
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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

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Abstract

一种图像编码方法、装置以及电子设备。所述图像编码方法包括：将图像的编码块划分为具有均匀变换单元结构的多个变换块；其中对于所述编码块的残差系数的每个基本单元设置有隐藏符号位；以所述基本单元为单位将所述多个变换块的残差系数映射为多个频率域块的残差系数；以及将映射后的所述残差系数编码到比特流中。由此，不仅能够对UTU结构进行TB到FB的映射，可以集中符号的能量并且降低编码的比特代价；而且每个基本单元作为一个整体被映射，从而对应的SBH将继续有效，不会带来压缩效率上的损失。

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PCT国内申请，说明书已公开。

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  1. PCT国内申请，权利要求书已公开。
CN201780091732.8A 2017-12-26 2017-12-26 图像编码方法、装置以及电子设备 Active CN110731081B (zh)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113873252A (zh) * 2021-09-27 2021-12-31 上海哔哩哔哩科技有限公司 图像处理方法及装置、电子设备和存储介质
CN113873252B (zh) * 2021-09-27 2023-12-19 上海哔哩哔哩科技有限公司 图像处理方法及装置、电子设备和存储介质

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