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Line 4: Normalization is a [[linear]] process. If the intensity range of the image is 50 to 180 and the desired range is 0 to 255 the process entails subtracting 50 from each of pixel intensity, making the range 0 to 130. Then each pixel intensity is scaled by 255/130, making the range 0 to 255. Auto-normalization in image processing software typically normalizes to the full dynamic range of the number system specified in the image file format. ==External links== *[http://homepages.inf.ed.ac.uk/rbf/HIPR2/stretch.htm Contrast Stretching] [[Category:Image processing]]

Normalization (image processing): Difference between revisions