COSMETIC EVALUATION METHOD, AND FACIAL EXPRESSION WRINKLE QUANTITATION METHOD

摘要

PROBLEM TO BE SOLVED: To quantitatively evaluate facial expression wrinkles for utilization to the evaluation of cosmetics.SOLUTION: The method includes a step of preparing a skin color image comprising facial expression wrinkles, and a step of applying binarization processing to the color image and measuring the length and/or area of facial expression wrinkles from the obtained binarization-processed image.