An improved ihs transform remote sensing image fusion method and system
A technology of remote sensing image and fusion method, which is applied in the field of remote sensing image processing, can solve problems such as image spectral distortion, achieve the effects of preventing information waste, improving correlation coefficient, and avoiding spectral distortion
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[0108] Taking Gaofen No. 2 panchromatic and multispectral images as an example to carry out fusion experiments, the traditional HIS fusion and the improved HIS fusion method proposed by the present invention are used for comparative experiments, and the average gradient, entropy, correlation coefficient and spectral distortion are used as objective evaluation criteria . Result evaluation is shown in Table 1, as can be seen the technical effect of the present invention.
[0109] Table 1 Fusion evaluation results
[0110]
[0111] It can be seen from the table that the average gradient and entropy of the images generated by the improved HIS and IHS fusion methods have little change, indicating that the two methods have little difference in the amount of information and detailed information, but the improved correlation coefficient method has increased from 0.58 to 0.90. Distortion reduced from 18.68 to 6.76.
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