Abstract
Face recognition technology is a significant branch of the study of artificial intelligence, the recognition precision is easily affected by facial expressions, skin colors, beam angles in the images and apparels. This essay tests human face images in the format of 24 BMP and realizes face location and mark of five sense organs. Firstly, color space model is adopted to set up skin color distribution model to segment skin regions; secondly, the obtained regions are judged and screened preliminarily, and optimized based on the characteristics of segmented regions with region optimization algorithm of depth-width ratio, rejecting the region with the similar color of the skin caused by some disturbing factors and other naked parts of the body, through which the rough region of human face could be attained and face location could be realized; finally, five organs of the obtained face region is located with the method of grey level region in combination with searching rectangle.
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