Abstract

Synthetic Aperture Radar (SAR) image is rich in spatial information while the optical Multispectral (MS) image is rich in spectral information. In this research, the potential of wavelet transforms for fusion of SAR and MS images is investigated. The research aims to study the effect of fusion of MS image with SAR image using different wavelet families and the influence of wavelet decomposition level and filter length on the fusion results. A fusion algorithm based on wavelet transform with multiple fusion rules is used. A 36 m spatial resolution SAR image acquired from RISAT-1 and an optical MS image of 56 m spatial resolution acquired from AWiFS are used for fusion. Fusion results are analysed visually and statistically.

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