Production of high-resolution remote sensing images for navigation information infrastructures |
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Authors: | Wang Zhijun Djemel Ziou Costas Armenakis |
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Affiliation: | (1) Dept. of mathematics and informatics, University of Sherbrooke, JIK 2R1 Sherbrooke, Quebec, Canada |
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Abstract: | This paper introduces the image fusion approach of multi-resolution analysis-based intensity modulation (MRAIM) to produce the high-resolution multi-spectral images from high-resolution panchromatic image and low-resolution multi-spectral images for navigation information infrastructure. The mathematical model of image fusion is derived according to the principle of remote sensing image formation. It shows that the pixel values of a high-resolution multi-spectral images are determined by the pixel values of the approximation of a high-resolution panchromatic image at the resolution level of low-resolution multi-spectral images, and in the pixel valae computation the M-band wavelet theory and the à trous algorithm are then used. In order to evaluate the MRAIM approach, an experiment has been carried out on the basis of the IKONOS 1 m panchromatic image and 4 m multi-spectral images. The result demonstrates that MRAIM image fusion approach gives promising fusion results and it can be used to produce the high-resolution remote sensing images required for navigation information infrastructures. |
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Keywords: | image fusion MRAIM algorithm navigation information infrastructure |
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