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Region of interests detection and thermal image enhancement. (a) Original image; (b) removing additional regions including tissues of neck and under breast; (c) complementing the image and removing salt and pepper noise; (d) histogram equalizing of image; (e) histogram adjusting of image; (f) applying “Sobel” edge detector to obtain horizontal edges; (g) applying “Sobel” edge detector to obtain vertical edges; (h) determined region of interests
