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Novel methods for high-resolution facial image capture using calibrated PTZ and static cameras

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3 Author(s)
Da Xu, R.Y. ; Center for Res. in Complex Syst., Charles Sturt Univ., Bathurst, NSW ; Junbin Gao ; Antolovich, M.

In many machine vision applications, a set of static and Pan-Tilt-Zoom (PTZ) cameras are used to capture a sequence of high-resolution facial images of a moving person. In this paper, we present our implementation of such a system. We emphasis two novelties in our work; the first one is our efficient PTZ camera calibration technique using hand-drawn gridlines. The second one is our head position estimation technique using the Gaussian Mixture Model (GMM) and variance analysis of the foreground blob regions.

Published in:

Multimedia and Expo, 2008 IEEE International Conference on

Date of Conference:

June 23 2008-April 26 2008