Journal
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT
Volume 71, Issue -, Pages -Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIM.2021.3130202
Keywords
Image fusion; Optimization; Kernel; Image edge detection; Adaptive filters; Nonlinear filters; Maximum likelihood detection; Detail optimization; dual-kernel side window box filter (DSWBF); infrared and visible image fusion; S-shaped curve transformation; saliency-based fusion rule
Funding
- National Natural Science Foundation of China [62072218, 61862030]
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This article presents a novel infrared and visible image fusion method based on dual-kernel side window filtering and detail optimization with S-shaped curve transformation. The proposed method achieves better fusion performance through saliency region highlighting and detail optimization.
The fusion of infrared and visible images combines the advantages of thermal radiation information in infrared images and texture information in visible images. To preserve salient targets and obtain better fusion results, this article proposes a novel infrared and visible image fusion method based on dual-kernel side window filtering and detail optimization with S-shaped curve transformation. First, a dual-kernel side window box filter (DSWBF) with adaptive filter kernel size is designed to extract the base and detail layers of the source images. Then, a saliency-based fusion rule is proposed for the base layers to highlight the salient regions of the infrared image. Next, a detail optimization module is constructed based on an S-shaped curve transformation and guided filter to optimize the detail layer of the infrared image. The optimized detail layer is then merged with the detail layer of the visible image to obtain the fused detail layer. Finally, the fusion image is created by reconstructing the fused base and detail layers. Experimental results on the two public datasets indicate that compared with the state-of-the-art methods, the proposed method can obtain better fusion performance in terms of subjective and objective evaluations.
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