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- W2137117700 abstract "Multisensor image fusion is a technology that is increasingly being used to obtain high resolution multispectral images from coarse resolution multispectral and fine resolution panchromatic images. Ideally, the methods used to fuse image data sets should preserve the spectral characteristics of the original multispectral input image. While many technologies exist and emphasize the preservation of spectral characteristics, they do not take into account the resolution ratio of the input images. This paper is an attempt to fuse high resolution PAN and low resolution multispectral Indian Remote Sensing satellite (IRS) LISS III at varying resolution ratios of the input images. Accordingly, three images of IRS -LISS III and PAN at different resolution ratios (LISS III=24m, PAN=6m), (LISS III=20m, PAN=5m), (LISS III=23.5m, PAM=5.8m) were used as input for image fusion. The fused images were compared and their utility was evaluated. In terms of image quality, it is observed that the fusion of the images with LISS III=23.5m and PAN=5.8m resolution, gives the best result, followed by the 24m-6m and 20m-5m combination. It is observed that fusion using the LISS III=20; PAN=5 ratio leads to distortion of shapes of smaller features, while the LISS III=24; PAN=6 ratio results in blurring due to down sampling. Thus, this study demonstrates the quality changes that occur due to multi-sensor image fusion at varying resolution ratios." @default.
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- W2137117700 date "2001-01-01" @default.
- W2137117700 modified "2023-09-28" @default.
- W2137117700 title "FUSION OF IRS -LISS III AND PAN IMAGES USING DIFFERENT RESOLUTION RATIOS" @default.
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