A kind of purpose: method, one side is detected/tracked for the active camera by using a cascade classifier with having intelligence in real time while being arranged to meet computational efficiency and detection performance by using cascade classifier, receive diversity, such as lighting change, complex background, superposition/inclination that face and surface area change. Construction: an integrated image is generated. One cascade classifier hierarchically shaped is generated. By using face position information track in real time, face is tracked by it. Lighting change receives to compare drawing process using a Gaussian filter and one. Superposition between complex background and face region, by using the feature extraction on a characteristic mask opposite, profile receives. By using the characteristic mask of rotation, watt receiving in face. Different surface area sizes is received after forming a pyramid by performing scanning, has multiple resolution.
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