Face Recognition Programming on Mobile Handsets

This paper addresses analysis, evaluation and simulation of low complexity face detection algorithms and tracking that could be used on mobile phones. Network access control using face recognition increases the user-friendliness in human-computer interaction. In order to realize a real time system implemented on handheld devices with low computing power, low complexity algorithms for face detection are implemented. Skin color detection algorithms and face matching have low implementation complexity suitable for authentication of cellular network services. Novel approaches for reducing the complexities of these algorithms and fast implementation are introduced in our paper. This includes a fast algorithm for face detection in video sequences, using a skin color model in the HSV color space. It is combined with a Gaussian model of the H and S statistics and adaptive thresholds. These algorithms permit segmentation and tracking of multiple faces in thumbnail images. Finally we compare results with those of a method implemented in the Chromatic Color space.

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