Multispectral and panchromatic image fusion based on unsubsampled contourlet transform

Hui Liu; Yan Yuan; Lijuan Su; Liang Hu; Siyuan Zhang

doi:10.1117/12.2037587

19 December 2013 Multispectral and panchromatic image fusion based on unsubsampled contourlet transform

Hui Liu, Yan Yuan, Lijuan Su, Liang Hu, Siyuan Zhang

Proceedings Volume 9045, 2013 International Conference on Optical Instruments and Technology: Optoelectronic Imaging and Processing Technology; 90450R (2013) https://doi.org/10.1117/12.2037587
Event: International Conference on Optical Instruments and Technology (OIT2013), 2013, Beijing, China

Abstract

In order to achieve the high-resolution multispectral image, we proposed an algorithm for MS image and PAN image fusion based on NSCT and improved fusion rule. This method takes into account two aspects, the spectral similarity between fused image and the original MS image and enhancing the spatial resolution of the fused image. According to local spectral similarity between MS and PAN images, it can help to select high frequency detail coefficients from PAN image, which are injected into MS image then. Thus, spectral distortion is limited; the spatial resolution is enhanced. The experimental results demonstrate that the proposed fusion algorithm perform some improvements in integrating MS and PAN images.

Citation Download Citation

Hui Liu, Yan Yuan, Lijuan Su, Liang Hu, and Siyuan Zhang "Multispectral and panchromatic image fusion based on unsubsampled contourlet transform", Proc. SPIE 9045, 2013 International Conference on Optical Instruments and Technology: Optoelectronic Imaging and Processing Technology, 90450R (19 December 2013); https://doi.org/10.1117/12.2037587

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KEYWORDS

Image fusion

Image enhancement

Spatial resolution

Distortion

Silver

Image information entropy

Discrete wavelet transforms

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