to apply a sharpening technique that uses a mathematical combination of the color image and high resolution data. Each band in the color image is multiplied by a ratio of the high resolution data divided by the sum of the color bands. The function automatically resamples the three color bands to the high-resolution pixel size using one of the techniques you select. The choices are nearest neighbor, bilinear, or cubic convolution. The output RGB images will have the pixel size of the input high-resolution data.
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