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A Method for Improving Digital Image Comparison in X-ray Topographs

A Method for Improving Digital Image Comparison in X-ray Topographs

Tjahjadi T & Bowen DK

Materials Letters, vol 5, 1987, 227-231

Abstract

Accurate registration and hence informative comparison of two images may be difficult to achieve if the contrast of the images are different. This correspondence presents an iterative scheme based on the examination of grey level distributions for equalizing the contrast in two images.