Wavelet transform application for image fusion

ZhiWei Tang; JianGuo Wang; ShunJi Huang

doi:10.1117/12.381706

5 April 2000 Wavelet transform application for image fusion

ZhiWei Tang, JianGuo Wang, ShunJi Huang

Proceedings Volume 4056, Wavelet Applications VII; (2000) https://doi.org/10.1117/12.381706
Event: AeroSense 2000, 2000, Orlando, FL, United States

Abstract

On the basis of the reciprocal characteristic of SAR image and optical image, two new image fusion algorithms based on the wavelet transformation is presented to implement fusion of SAR image and optical image. The first method of image fusion presented in the paper is that the wavelet transform decomposition of SAR image and optical image is finished, then compare their decomposition coefficient in order to get the bigger decomposition coefficient regarded as the new decomposition coefficient, and use the method of reconstruction to get a new fusion image. The second method of image fusion presented in the paper is that apply the wavelet decomposition to SAR image and optical image, get the high frequence information of wavelet transformation of SAR image and the detail information of wavelet transformation of SAR image and the detail information of wavelet transformation of optical image, then compose a new decomposition coefficient and get a new fusion image. Both of these method achieve better results in experiment, the first method is prior to the second method.

Citation Download Citation

ZhiWei Tang, JianGuo Wang, and ShunJi Huang "Wavelet transform application for image fusion", Proc. SPIE 4056, Wavelet Applications VII, (5 April 2000); https://doi.org/10.1117/12.381706

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