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ENVI

Image Sharpening

Image Sharpening

Use Image Sharpening tools to automatically merge a low-resolution color, multispectral, or hyperspectral image with a high-resolution gray scale image (with resampling to the high-resolution pixel size). ENVI uses the following image sharpening techniques for byte-scaled RGB imagery:

The images must either be georeferenced or have the same image dimensions. The RGB input bands for the sharpening should be stretched byte data or selected from an open color display.

ENVI uses the following image sharpening techniques for spectral imagery:



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