Fusion of infrared and visible images based on discrete wavelet transform

Xiao Han; Li li Zhang; Li yao Du; Ke wei Huan; Xiao guang Shi

doi:10.1117/12.2216054

5 November 2015 Fusion of infrared and visible images based on discrete wavelet transform

Xiao Han, Li li Zhang, Li yao Du, Ke wei Huan, Xiao guang Shi

Proceedings Volume 9795, Selected Papers of the Photoelectronic Technology Committee Conferences held June–July 2015; 97951O (2015) https://doi.org/10.1117/12.2216054
Event: Selected Proceedings of the Photoelectronic Technology Committee Conferences held June-July 2015, 2015, Hefei, Suzhou, and Harbin, China

Abstract

In the view of the situation that single-sensor image cannot fully reflect the scene information efficiently. A fusion method of infrared and visible images based on discrete wavelet transform is presented and comparatively analyzed with traditional methods. Firstly, the wavelet multi-scale decomposition technique is applied to the source images that will be fused to give a series of sub-band coefficient. Feature extraction and weighted average with adaptive weighting factors are used to process the high-frequency coefficients. A strategy of the absolute value comparing is adopted to the low-frequency coefficients. Finally, the fusion image is reconstructed by multi-scale wavelet inversing transformation for low frequency and high frequency coefficients. Experimental results demonstrate that infrared and visible images can be more effectively fused by the algorithm presented than traditional methods.

Citation Download Citation

Xiao Han, Li li Zhang, Li yao Du, Ke wei Huan, and Xiao guang Shi "Fusion of infrared and visible images based on discrete wavelet transform", Proc. SPIE 9795, Selected Papers of the Photoelectronic Technology Committee Conferences held June–July 2015, 97951O (5 November 2015); https://doi.org/10.1117/12.2216054

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