Synthetic aperture radar and color visible images fusion algorithm based on region division strategy

Siyu Li; Ling Wang

doi:10.1117/1.JRS.11.045012

8 December 2017 Synthetic aperture radar and color visible images fusion algorithm based on region division strategy

Siyu Li, Ling Wang

Author Affiliations +

Journal of Applied Remote Sensing, Vol. 11, Issue 4, 045012 (December 2017). https://doi.org/10.1117/1.JRS.11.045012

Abstract

Multisensor image fusion can be used as an advanced technique for image enhancement. A fusion method based on region division strategy is proposed for synthetic aperture radar (SAR) and color visible images. The SAR target feature detection function is first constructed to divide the images into the SAR target region and non-SAR target region. Meanwhile, SAR image despeckling is considered during the generation of this detection function. Then, two different fusion rules are designed for these two regions. More specifically, the fusion rule adopted in the SAR target region is fusing the high-frequency feature within the SAR image, and the fusion rule employed in the non-SAR target region is maintaining the spectral and detail information of the color visible image. Experimental results on several pairs of SAR and color visible images demonstrate the effectiveness of the proposed method. Compared with the conventional image fusion methods, the proposed method provides better results for all evaluation criteria, including spectral distortions, feature similarity, mutual information, and peak signal-to-noise ratio.

Citation Download Citation

Siyu Li and Ling Wang "Synthetic aperture radar and color visible images fusion algorithm based on region division strategy," Journal of Applied Remote Sensing 11(4), 045012 (8 December 2017). https://doi.org/10.1117/1.JRS.11.045012

Received: 20 July 2017; Accepted: 15 November 2017; Published: 8 December 2017

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KEYWORDS

Image fusion

Synthetic aperture radar

Target detection

Visible radiation

Discrete wavelet transforms

Stationary wavelet transform

Wavelets

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