B-spline image model for energy minimization-based optical flow estimation

Robust estimation of the optical flow is addressed through a multiresolution energy minimization. It involves repeated evaluation of spatial and temporal gradients of image intensity which rely usually on bilinear interpolation and image filtering. We propose to base both computations on a single py...

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Bibliographische Detailangaben
Veröffentlicht in:IEEE transactions on image processing : a publication of the IEEE Signal Processing Society. - 1997. - 15(2006), 10 vom: 08. Okt., Seite 3201-6
1. Verfasser: Le Besnerais, Guy (VerfasserIn)
Weitere Verfasser: Champagnat, Frédéric
Format: Aufsatz
Sprache:English
Veröffentlicht: 2006
Zugriff auf das übergeordnete Werk:IEEE transactions on image processing : a publication of the IEEE Signal Processing Society
Schlagworte:Comparative Study Letter
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245 1 0 |a B-spline image model for energy minimization-based optical flow estimation 
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500 |a Date Completed 20.11.2006 
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520 |a Robust estimation of the optical flow is addressed through a multiresolution energy minimization. It involves repeated evaluation of spatial and temporal gradients of image intensity which rely usually on bilinear interpolation and image filtering. We propose to base both computations on a single pyramidal cubic B-spline model of image intensity. We show empirically improvements in convergence speed and estimation error and validate the resulting algorithm on real test sequences 
650 4 |a Comparative Study 
650 4 |a Letter 
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