一种基于生成对抗网络的散斑图像还原方法及系统

By employing a generative adversarial network architecture and a multi-objective optimization strategy, combined with residual blocks and cross-scale feature fusion, the problem of speckle noise removal in multimode fiber imaging was solved, achieving high-quality image restoration and reconstruction.

CN120339136BActive Publication Date: 2026-07-17TIANJIN UNIVERSITY OF TECHNOLOGY

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
TIANJIN UNIVERSITY OF TECHNOLOGY
Filing Date
2025-06-16
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing technologies struggle to effectively remove speckle noise in multimode fiber imaging, leading to severe distortion or loss of image information and limiting the application of high-quality imaging.

Method used

A generative adversarial network architecture is adopted, which combines a generator with residual blocks and cross-scale feature fusion, a PatchGAN discriminator and spectral normalization mechanism, and performs image restoration through a multi-objective optimization strategy. Large receptive field convolution and sub-pixel convolution layers are used for feature extraction and reconstruction.

Benefits of technology

It significantly improves the ability to restore image details and the network generalization ability, and realizes high-resolution, clear image reconstruction, which is suitable for high-quality image reconstruction tasks in multimode fiber imaging systems.

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Abstract

本发明公开了一种基于生成对抗网络的散斑图像还原方法及系统,涉及图像处理技术领域,其中方法包括:获取原始图像及对应的散斑图像并进行预处理,得到训练集;基于生成对抗网络构建图像还原模型;基于训练集和目标损失函数对图像还原模型训练,得到训练好的图像还原模型;获取待处理散斑图像输入至训练好的图像还原模型;基于待处理散斑图像输入至初始卷积模块,得到浅层特征;基于浅层特征输入至下采样模块,得到深层特征;基于深层特征输入至残差模块,得到处理特征;基于处理特征输入至上采样模块,得到还原特征;基于还原特征输入至输出模块,得到还原图像。对散斑图像精准去除散斑噪声进而提高了还原图像的质量。
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