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Panorama Background Generation and Object Tracking using Pan-Tilt-Zoom Camera  

Paek, In-Ho (Dept. of Image Engineering, Graduate School of Advanced Imaging Science, Multimedia, and Film Chung-Ang University)
Im, Jae-Hyun (Dept. of Image Engineering, Graduate School of Advanced Imaging Science, Multimedia, and Film Chung-Ang University)
Park, Kyoung-Ju (Dept. of Image Engineering, Graduate School of Advanced Imaging Science, Multimedia, and Film Chung-Ang University)
Paik, Jun-Ki (Dept. of Image Engineering, Graduate School of Advanced Imaging Science, Multimedia, and Film Chung-Ang University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea SP / v.45, no.3, 2008 , pp. 55-63 More about this Journal
Abstract
This paper presents a panorama background generation and object tracking technique using a Pan-Tilt-Zoom camera. The proposed method estimates local motion vectors rapidly using phase correlation matching at the prespecified multiple local regions, and it makes minimized estimation error by vector quantization. We obtain the required image patches, by estimating the overlapped region using local motion vectors, we can then project the images to cylinder and realign the images to make the panoramic image. The object tracking is performed by extracting object's motion and by separating foreground from input image using background subtraction. The proposed PTZ-based object tracking method can efficiently generated a stable panorama background, which covers up to 360 degree FOV The proposed algorithm is designed for real-time implementation and it can be applied to many commercial applications such as object shape detection and face recognition in various surveillance video systems.
Keywords
Panorama generation; stabilization; tracking; surveillance;
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