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Vehicle detection in infrared linescan imagery using belief networks

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3 Author(s)
Ducksbury, P.G. ; Defence Res. Agency, UK ; Booth, D.M. ; Radford, C.J.

This paper describes a system for detecting vehicles in airborne downward looking infrared linescan imagery, and in particular, the use of a Pearl-Bayes Network (PBN) to combine disparate sources of evidence. Here the primary source of evidence is a vehicle detection algorithm with supporting evidence being provided by vehicle track and shadow detectors. The spatial arrangement of the vehicles also provides useful contextual evidence since vehicles often move in convoy or are clustered into small groups when encamped. This observation is the basis for allowing neighbouring detections to re-enforce one another and for incorporating a feedback loop with which to increase the sensitivity of the vehicle detection algorithm within areas of suspected activity

Published in:

Image Processing and its Applications, 1995., Fifth International Conference on

Date of Conference:

4-6 Jul 1995