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A real-time image-to-panorama registration approach for background subtraction using pan-tilt-cameras

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2 Author(s)
Monari, E. ; Fraunhofer Inst. of Optronics, Syst. Technol. & Image Exploitation (IOSB), Karlsruhe, Germany ; Pollok, T.

While for static cameras several background subtraction approaches have been developed in the past, for non-static pan/tilt cameras efficient and robust motion detection is still a challenging task. Known approaches use image-to-image registration methods to generate a panorama background model of the scene, which spans a joint pixel coordinate system for later background estimation and subtraction. However, for a real-time panorama-based background subtraction a highly efficient image-to-panorama registration is needed. For this purpose, in this paper a key-frame representation of the panorama image is proposed and a strategy for fast global homography estimation in large panorama images is presented.

Published in:

Advanced Video and Signal-Based Surveillance (AVSS), 2011 8th IEEE International Conference on

Date of Conference:

Aug. 30 2011-Sept. 2 2011