This paper presents a technique for automatically detecting human faces in digital color images. The system relies on a two step process which first detects regions which are likely to contain human skin in the color image and then extracts information from these regions which might indicate the location of a face in the image. The skin detection is performed using a skin filter which relies on color and texture information. The face detection is performed on a grayscale image containing only the detected skin areas. A combination of threshholding and mathematical morphology are used to extract object features that would indicate the presence of a face. The face detection process works predictably and fairly reliably, as test results show.
Face Detection in Color Images - MATLAB
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