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Communication Dans Un Congrès Année : 2013

von Mises-Fisher approximation of multiple scattering process on the hypersphere

Résumé

This paper presents a ''method of moments'' estimation technique for the study of multiple scattering on the hypersphere. The proposed model is similar to a compound Poisson process evolving on a special manifold: the unit hypersphere. The presented work makes use of an approximation result for multiply convolved von Mises-Fisher distributions on hyperspheres. Comparison with other approximations show the accuracy of the proposed model to provide estimators for the mean free path and concentration parameters when studying a multiple scattering process. Such a process is classically used to model the propagation of waves or particules in random media.
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Dates et versions

hal-00865968 , version 1 (25-09-2013)

Identifiants

  • HAL Id : hal-00865968 , version 1

Citer

Florent Chatelain, Nicolas Le Bihan. von Mises-Fisher approximation of multiple scattering process on the hypersphere. ICASSP 2013 - 38th IEEE International Conference on Acoustics, Speech and Signal Processing, May 2013, Vancouver, Canada. ⟨hal-00865968⟩
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