A Fast and reliable image mosaicing technique with application to wide area motion detection

Authors:
Alessandro Bevilacqua;Pietro Azzari
Affiliations:
Department of Electronics, Computer Science and Systems and Advanced Research Center for Electronic Systems, University of Bologna, Bologna, Italy;Advanced Research Center for Electronic Systems, University of Bologna, Bologna, Italy
Venue:
ICIAR'07 Proceedings of the 4th international conference on Image Analysis and Recognition
Year:
2007

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Abstract

Image mosaicing is stirring up a lot of interests in the research community for both its scientific significance and potential spinoff in real world applications. Being able to perform automatic image alignment in a common tonal and spatial reference can trigger a wide range of higher level image processing tasks such as panoramic image construction, scene depth computation, resolution enhancement, motion detection and tracking using non stationary camera. In this work we propose a fully automated real time on-line mosaicing algorithm able to build high quality seam-free panoramic images. Moreover, the whole approach does not exploit any a priori information regarding scene geometry, acquisition device properties or feedback signals, thus resulting in a fully image based solution. Extensive experiments have been accomplished to assess the quality of the attained mosaics by using them as the background to perform motion detection and tracking with a Pan Tilt Zoom camera.