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

: Monari, Eduardo; Pollok, Thomas


Institute of Electrical and Electronics Engineers -IEEE-:
AVSS 2011, IEEE 8th International Conference on Advanced Video and Signal-based Surveillance : 30. August 2011 - 02. September 2011, Klagenfurt University
New York, NY: IEEE, 2011
ISBN: 978-1-4577-0844-2
ISBN: 1-4577-0844-2
ISBN: 978-1-4577-0843-5
ISBN: 978-1-4577-0845-9
International Conference on Advanced Video and Signal-based Surveillance (AVSS) <8, 2011, Klagenfurt>
Fraunhofer IOSB ()

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.