Investigation of the performance of different wavelet-based fusions of SAR and optical images using Sentinel-1 and Sentinel-2 datasets

Year 2022, Volume: 7 Issue: 1, 81 - 90, 15.02.2022

Huseyin Duysak , Enes Yiğit

https://doi.org/10.26833/ijeg.882589

Cited By: 15

Abstract

In this study, the fusion of optical and synthetic aperture radar images with wavelet transform was investigated. Images are obtained from Sentinel-1 and sentinel-2 satellites. Images were decomposed by wavelet transform. The four main coefficients were obtained for different wavelet packages and up to ten decomposition levels. The coefficients were combined taking the maximum, minimum or mean. 1710 Fused images were obtained for all possible combinations in terms of different wavelet packets, decomposition levels and fusion rules. Fused images were evaluated according to the structural similarity index (SSI). It was seen that the missing regions in the optical images were improved in the fused images with the appropriate wavelet packets and highest SSI.

Keywords

Synthetic aperture radar (SAR), Optical, Wavelet, Sentinel

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