Mr. Jingwen Nan Profile

Jingwen Nan

at XIOPM CAS

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Proceedings Article | 12 October 2022 Paper

Fusion of infrared and visible sensor images based on anisotropic diffusion and fast guided filter

Jingwen Nan, Zongxi Song, Hao Lei, Wei Li

Proceedings Volume 12342, 123422R (2022) https://doi.org/10.1117/12.2644537

KEYWORDS: Image fusion, Image filtering, Infrared radiation, Infrared imaging, Visible radiation, Anisotropic diffusion, Optical filters, Image processing, Anisotropic filtering, Infrared sensors

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Infrared images and visible images can obtain different image information in the same scene, especially in low-light scenes, infrared images can obtain image information that cannot be obtained by visible images. In order to obtain more useful information in the environment such as glimmer, infrared and visible images can be fused. In this paper, an image fusion method based on anisotropic diffusion and fast guided filter is proposed. Firstly, the source images are decomposed into base layers and detail layers by anisotropic dispersion. Secondly, the visible images and the infrared images are passed through the side window Gaussian filter to obtain the saliency map, and then the saliency map is passed through fast guided filter to obtain the fusion weight. Thirdly, the fused base layers and the fused detail layers are reconstructed to obtain the final fusion image. The application of the side window Gaussian filter helps to reduce the artifact information of the fused image. The results of the proposed algorithm are compared with similar algorithms. The fusion results reveal that the proposed method are outstanding in subjective evaluation and objective evaluation, and are better than other algorithms in standard deviation(STD) and entropy(EN), and other quality metrics are close to the optimal comparison algorithm.

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