Image deblurring method and system based on frequency domain self-attention mechanism

By using an asymmetric network architecture with a frequency domain self-attention mechanism, the limitations of existing image deblurring methods are overcome, achieving efficient and accurate image deblurring results that can adapt to image restoration of different blur types.

CN122415385APending Publication Date: 2026-07-17BEIJING XIAOYING TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
BEIJING XIAOYING TECH CO LTD
Filing Date
2026-04-27
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing image deblurring methods suffer from problems such as local invariance of convolution operations, need for prior knowledge of the blur type, and information loss due to reduced resolution when dealing with motion blur and out-of-focus blur, which affect the quality and efficiency of image restoration.

Method used

A frequency-domain-based self-attention mechanism is adopted. Through the asymmetric architecture of self-attention solver and discriminative feedforward network, it is embedded in the decoder and encoder modules. Frequency domain operations are used to estimate the scaling dot product attention and frequency information, forming an end-to-end trainable network that adaptively determines the frequency information.

Benefits of technology

It eliminates the need for extensive sample collection, reducing computational complexity and time costs, and improving the accuracy and efficiency of image deblurring, effectively restoring clear images.

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Abstract

本发明涉及一种基于频率域自注意力机制的图像去模糊方法及系统,属于图像去模糊技术领域,该方法包括获取模糊图像;将所述模糊图像输入至预先训练的去模糊模型中输出清晰图像;其中,预先训练的去模糊模型是非对称的编码器和解码器网络,非对称的编码器和解码器网络中包括:编码器模块和解码器模块,解码器模块中嵌入基于频域的自注意力求解器,编码器模块中嵌入基于频域的判别性前向网络。本发明通过基于频域的自注意求解器来估计缩放点积注意力,通过基于频域的判别性前向网络细化基于频域的求解器估计的特征,将自注意力求解器嵌入解码器模块中,判别性前向网络嵌入编码器模块中,从而表述为一个端到端的可训练网络来解决图像去模糊问题。
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