MULTISPECTRAL IMAGE FUSION USING SLANTLET-BASED RIDGELET TRANSFORM
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Abstract
This paper introduces a new method in the multispectral image fusion based on ridgelet
transform which represents edges better than wavelets. Since edges play a fundamental rule in
image understanding, one good way to enhance spatial resolution is to enhance the edges. Ridgelet
based image fusion method provides richer information in the spatial and spectral domains
simultaneously. Also another method introduced based on new Hybrid transform which is
improvement from the Ridgelet transform. Here we used our method to merge the panchromatic
image of IKONOS sensor (1m resolution) with its multispectral image (4m resolution). The
software used in this paper is (Matlab V 7.0.4 ).
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