Visible polarization image fusion with non-subsampled Shearlets

Zheng Liu; Hengliang Zeng; Huachuang Wang; Bo Xu; Jinlong Hu

doi:10.1117/12.2216165

5 November 2015 Visible polarization image fusion with non-subsampled Shearlets

Zheng Liu, Hengliang Zeng, Huachuang Wang, Bo Xu, Jinlong Hu

Proceedings Volume 9795, Selected Papers of the Photoelectronic Technology Committee Conferences held June–July 2015; 97951S (2015) https://doi.org/10.1117/12.2216165
Event: Selected Proceedings of the Photoelectronic Technology Committee Conferences held June-July 2015, 2015, Hefei, Suzhou, and Harbin, China

Abstract

For the disadvantage of traditional target detection methods with low detection rate and difficulties in distinguishing the small temperature difference and camouflage targets, this paper presents a kind of visible polarization image fusion method using non-subsampled Shearlets transform. Firstly, we obtain four polarization status images by multi-detector camera, where the direction of polarization angle is 0° 、45°、90°、135° separately. The Stokes vectors are calculated by polarization status images. Then, the extracted target polarization feature images and light intensity image are decomposed into several sub frequency bands by NSST with fine multi-scale decomposition characteristics. Meanwhile, the fusion coefficients are determined based on high-frequency energy window and low-frequency mean in the frequency domain. At last, the final fusion image is obtained after NSST inverse transform and target enhancement. Experimental results illustrate that the proposed approach could obtain better fusion images with rich details, high contrast, highlighting the polarization characteristic of the target to improve the ability of scene perception and target detection.

Citation Download Citation

Zheng Liu, Hengliang Zeng, Huachuang Wang, Bo Xu, and Jinlong Hu "Visible polarization image fusion with non-subsampled Shearlets", Proc. SPIE 9795, Selected Papers of the Photoelectronic Technology Committee Conferences held June–July 2015, 97951S (5 November 2015); https://doi.org/10.1117/12.2216165

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KEYWORDS

Image fusion

Polarization

Image enhancement

Image quality

Target detection

Wavelets

Image compression

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