Object extraction using a stochastic birth-and-death dynamics in continuum

Xavier Descombes 1 Robert Minlos 2 Elena Zhizhina 2
1 ARIANA - Inverse problems in earth monitoring
CRISAM - Inria Sophia Antipolis - Méditerranée , Laboratoire I3S - SIS - Signal, Images et Systèmes
Abstract : We define a new birth and death dynamics dealing with configurations of disks in the plane. We prove the convergence of the continuous process and propose a discrete scheme converging to the continuous case. This framework is developed to address image processing problems consisting in detecting a configuration of objects from a digital image. The derived algorithm is applied for tree crown extraction and bird detection from aerial images. The performance of this approach is shown on real data.
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Xavier Descombes, Robert Minlos, Elena Zhizhina. Object extraction using a stochastic birth-and-death dynamics in continuum. Journal of Mathematical Imaging and Vision, Springer Verlag, 2009. ⟨inria-00422411⟩

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