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Title: A PDE model for computing the optical flow
Authors: Álvarez León, Luis Miguel 
Esclarín Monreal, Julio 
Lefébure, Martin
Sánchez, Javier 
UNESCO Clasification: 220990 Tratamiento digital. Imágenes
120601 Construcción de algoritmos
120602 Ecuaciones diferenciales
120326 Simulación
Issue Date: 1999
Abstract: In this paper we present a new model for optical flow calculation using a variational formulation which preserves discontinuities of the flow much better than classical methods. We study the Euler-Lagrange equations asociated to the variational problem. In the case of quadratic energy, we show the existence and uniqueness of the corresponding evolution problem. Since our method avoid linearization in the optical flow constraint, it can recover large displacement in the scene. We avoid convergence to irrelevant local minima by embedding our method into a linear scale-space framework and using a focusing strategy from coarse to fine scales.
Source: Proceedings of CEDYA XVI. -- Las Palmas de Gran Canaria: Universidad de Las Palmas de Gran Canaria, September 1.999. -- pp. 1349-1356
Rights: by-nc-nd
Appears in Collections:Actas de congresos
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