Abstract
Human face detection is concerned with finding the location and size of every human face in a given group image. Face detection plays a very important role in human computer interaction field. It represents the first step in a fully automatic face re-cognition, facial features extraction, and expression recognition. There are many techniques used in face detection, each one has its advantages and disadvantages. The face detection system presented in this paper is a hybrid of known algorithms. First stage of the proposed method is applying skin color detection algorithm to specify all skin locations in the image. Second, face features detection like eyes, mouth and chin In experiments on images of group photos having upright frontal faces with any background our system has achieved high detection rates and low false posi ti ves.
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