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Wavelets and Optical Flow Motion Estimation

  • P. Dérian (a1), P. Héas (a2), C. Herzet (a2) and E. Mémin (a2)
Abstract
Abstract

This article describes the implementation of a simple wavelet-based optical-flow motion estimator dedicated to continuous motions such as fluid flows. The wavelet representation of the unknown velocity field is considered. This scale-space representation, associated to a simple gradient-based optimization algorithm, sets up a well-defined multiresolution framework for the optical flow estimation. Moreover, a very simple closure mechanism, approaching locally the solution by high-order polynomials is provided by truncating the wavelet basis at fine scales. Accuracy and efficiency of the proposed method is evaluated on image sequences of turbulent fluid flows.

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Corresponding author
Corresponding author.Email address:pderian@csuchico.edu
Corresponding author.Email address:Patrick.Heas@inria.fr
Corresponding author.Email address:Cedric.Herzet@inria.fr
Corresponding author.Email address:Etienne.Memin@inria.fr
References
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Numerical Mathematics: Theory, Methods and Applications
  • ISSN: 1004-8979
  • EISSN: 2079-7338
  • URL: /core/journals/numerical-mathematics-theory-methods-and-applications
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