2 November 2004 Adaptive 3D target tracking and surveillance scheme based on pan/tilt-embedded stereo camera system
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Abstract
In this paper, a new intelligent surveillance system for robust detection and tracking of a moving person by using the pan/tilt-embedded stereo camera system is suggested and implemented. In the proposed system, face coordinates of a target person is detected from the sequential input stereo image pairs by using the YCbCr color model and phase-type correlation methods and then, using this data as well as the geometric information of the stereo tracking system, distance to the target from the stereo camera and 3-dimensional location information of a target person are extracted. Basing on these extracted data the pan/tilt system embedded in the stereo camera is controlled to adaptively track a moving person and as a result, moving trajectory of a target person can be obtained. From some experiments using 780 frames of the sequential stereo image pairs, it is analyzed that standard deviation of the position displacement of the target in the horizontal and vertical directions after tracking is kept to be very low value of 1.5, 0.42 for 780 frames on average, and error ratio between the measured and computed 3D coordinate values of the target is also kept to be very low value of 0.5% on average. These good experimental results suggest a possibility of implementation of a new stereo target tracking system having a high degree of accuracy and a very fast response time with this proposed algorithm.
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Jung-Hwan Ko, Jung-Hwan Ko, Jun-Ho Lee, Jun-Ho Lee, Eun-Soo Kim, Eun-Soo Kim, } "Adaptive 3D target tracking and surveillance scheme based on pan/tilt-embedded stereo camera system", Proc. SPIE 5558, Applications of Digital Image Processing XXVII, (2 November 2004); doi: 10.1117/12.560272; https://doi.org/10.1117/12.560272
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