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by Anurag Mittal, Larry S. Davis
In European Conference on Computer Vision
http://www.umiacs.umd.edu/~anurag/eccv2004.pdf
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Abstract:
Abstract. We analyze visibility from static sensors in a dynamic scene with moving obstacles (people). Such analysis is considered in a probabilistic sense in the context of multiple sensors, so that visibility from even one sensor might be sufficient. Additionally, we analyze worst-case scenarios for high-security areas where targets are non-cooperative. Such visibility analysis provides important performance characterization of multi-camera systems. Furthermore, maximization of visibility in a given region of interest yields the optimum number and placement of cameras in the scene. Our analysis has applications in surveillance- manual or automated- and can be utilized for sensor planning in places like museums, shopping malls, subway stations and parking lots. We present several example scenes- simulated and real- for which interesting camera configurations were obtained using the formal analysis developed in the paper. 1
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