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Skin colour based face detection

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3 Author(s)
Son Lam Phung ; Edith Cowan Univ., Joondalup, WA, Australia ; Chai, D. ; Bouzerdoum, A.

This paper describes a new approach to face detection. A colour input image is first processed using neural networks to detect skin regions in the image. Each neural network separates skin and non-skin pixels on the basis of chrominance information. The skin-colour classifier employs the committee machine technique, which improves skin colour detection by combining the classification results of a set of multilayer perceptrons (MLPs). The skin colour classifier achieves a classification rate of 84% compared to 81% for the best individual MLP classifier. The output of the committee machine is processed by a 2D smoothing filter before being converted into a binary map using a threshold. Finally, several post-processing techniques based on shape and luminance features are proposed for rejecting non-facial regions.

Published in:

Intelligent Information Systems Conference, The Seventh Australian and New Zealand 2001

Date of Conference:

18-21 Nov. 2001