Application of modulation transfer function in high-resolution image fusion

Xiaoping Zhang; Yonghong Jia; Xiaoyan Chen; Delu Pan; Jianyu Chen; Zengzhou Hao

doi:10.1117/12.898058

26 October 2011 Application of modulation transfer function in high-resolution image fusion

Xiaoping Zhang, Yonghong Jia, Xiaoyan Chen, Delu Pan, Jianyu Chen, Zengzhou Hao

Proceedings Volume 8180, Image and Signal Processing for Remote Sensing XVII; 818005 (2011) https://doi.org/10.1117/12.898058
Event: SPIE Remote Sensing, 2011, Prague, Czech Republic

Abstract

Modulation transfer function (MTF) is applied to the high frequency modulation fusion in this paper. Firstly, MTFs are calculated using the edge method, and 2-dimension MTF-filters are properly designed. Secondly, MTF-filters are used for degrading original high resolusion images. High frequency modulation fusion parameters are then obtained under the minimum mean square error criterion. The results show that fusion images derived from the improved high frequency modulation based on MTF method have spatial resolution close to non-degraded pan images. Compared with fusion methods of weighted high-pass filtering (w-HPF), MTF general image fusion framework (MTF-GIF), the improved method performs well in terms of preservation of spectral information and spatial resolution.

Citation Download Citation

Xiaoping Zhang, Yonghong Jia, Xiaoyan Chen, Delu Pan, Jianyu Chen, and Zengzhou Hao "Application of modulation transfer function in high-resolution image fusion", Proc. SPIE 8180, Image and Signal Processing for Remote Sensing XVII, 818005 (26 October 2011); https://doi.org/10.1117/12.898058

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