The reasons that causes spectral distortion in various HIS transform methods in the fusion of multi-spectral images and panchromatic image are the differences between I component and panchromatic image.A method was proposed to calculate I component using the weights decided by correlation coefficients between multi-spectral images and panchromatic image in the case of no exact functional relation,and made I component as closely to panchromatic image.Two different data sets were used to evaluate the proposed...
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