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Implementation of Intelligent Moving Target Tracking and Surveillance System Using Pan/Tilt-embedded Stereo Camera System  

고정환 (광운대학교 전자공학과 국가지정 3차원 영상미디어 연구실)
이준호 (광운대학교 전자공학과 국가지정 3차원 영상미디어 연구)
김은수 (광운대학교 전자공학과 국가지정 3차원 영상미디어 연구실)
Abstract
In this paper, a new intelligent moving target tracking and surveillance system basing on the pan/tilt-embedded stereo camera system is suggested and implemented. In the proposed system, once the face area of a target is detected from the input stereo image by using a YCbCr color model and then, using this data as well as the geometric information of the tracking system, the distance and 3D information of the target are effectively extracted in real-time. Basing on these extracted data the pan/tilted-embedded stereo camera system is adaptively controlled and as a result, the proposed system can track the target adaptively under the various circumstance of the target. From some experiments using 80 frames of the test input stereo image, 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 1.82, 1.11, 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. From these good experimental results a possibility of implementing a new real-time intelligent stereo target tracking and surveillance system using the proposed scheme is finally suggested.
Keywords
pan/tilt; surveillance; stereo camera; stereo tracking;
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