A real-time face detection and tracking for surveillance system using pan/tilt controlled stereo camera

Jun-Ho Lee; Jung-Hwan Ko; Eun-Soo Kim

doi:10.1117/12.527667

18 May 2004 A real-time face detection and tracking for surveillance system using pan/tilt controlled stereo camera

Jun-Ho Lee, Jung-Hwan Ko, Eun-Soo Kim

Proceedings Volume 5297, Real-Time Imaging VIII; (2004) https://doi.org/10.1117/12.527667
Event: Electronic Imaging 2004, 2004, San Jose, California, United States

Abstract

In this paper, a new real-time and intelligent face tracking system basing on the pan/tilt controlled stereo camera is proposed. In the proposed system moving human face is firstly detected from a sequence of the stereo image captured by the stereo camera system using a threshold value of YCbCr color model and its distance and area coordinates are measured and then, finally the stereo camera is controlled by using the pan/tilt system for tracking the moving face in real-time. Especially, color information of the face and geometric coordinate information of the stereo camera in which the pan/tilt system is embedded are used for extraction of 3D information of the human's face. From some experiments using a sequence of 1,280 frames of stereo input image, it is analyzed that the horizontal and vertical displacement on the center position of the face after tracking are kept to be very low values of 0.6% for 1,280 frames on average. Also, the error ratio between the measured and computed values is kept to be very low value of 0.5% on average in cartesian coordinates. This good experimental result finally suggests a possibility of implementing a new face tracking system having a high degree of accuracy and a very fast response time on the target by using the proposed algorithm.

Citation Download Citation

Jun-Ho Lee, Jung-Hwan Ko, and Eun-Soo Kim "A real-time face detection and tracking for surveillance system using pan/tilt controlled stereo camera", Proc. SPIE 5297, Real-Time Imaging VIII, (18 May 2004); https://doi.org/10.1117/12.527667

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