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(a) Skin mole boundaries determined from the grayscale image at 500 nm (white) compared to the image at 700 nm (green); (b) resolution target boundaries determined from the grayscale image at 500 nm (white) compared to the image at 700 nm (green); (c) skin mole boundaries determined from the successive scans (typical, not best result); (d) image registration between parallel and cross polarization images.
