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Abstract: In this paper, we propose a novel technique to address motion estimation and tracking. Such technique represents the motion field using a regular grid of thin-plate splines, and the moving objects using an implicit function on the image plane that is a cubic interpolation of a "level set function" defined on this grid. Optical flow is determined through the deformation of the grid and consequently of the underlying image structures towards satisfying the constant brightness constraint. (Update)
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BibTeX entry: (Update)
@misc{ karantzalos-implicit,
author = "Konstantinos Karantzalos and Nikos Paragios",
title = "Implicit Free-Form-Deformations for Multi-Frame Segmentation and Tracking",
url = "citeseer.ist.psu.edu/karantzalos05implicit.html" }
Citations (may not include all citations):1386 Snakes: Active Contour Models (context) - Kass, Witkin et al. - 1987
567 Fronts propagating with curvature-dependent speed : Algorith.. - Osher, Sethian - 1988
510 Robust Statistics (context) - Huber - 1981
502 Performance of Optical Flow Techniques - Barron, Fleet et al. - 1994
492 An Iterative Image Registration Technique with an Applicatio.. - Lucas, Kanade - 1981
362 Active shape models - their training and application (context) - Cootes, Taylor et al. - 1995
326 Geodesic Active Contours - Caselles, Kimmel et al. - 1995
247 Contour Tracking by Stochastic Propagation of Conditional De.. - Isard, Blake - 1996
217 Free-Form Deformation of Solid Geometric Models (context) - Sederberg, Parry - 1986
111 Level Set Methods (context) - Sethian - 1996
104 Robust multiresolution estimation of parametric motion model.. - Odobez, Bouthemy - 1995
91 A variational Level Set Approach to Multiphase Motion - Zhao, Chan et al. - 1996
89 Gradient flows and geometric active contour models - Kichenassamy, Kumar et al. - 1995
68 Geodesic Active Contours and Level Sets for the Detection an.. - Paragios, Deriche - 2000
47 Estimating optical flow in segmented images using variable-o.. - Black, Jepson - 1996
25 Unifying Boundary and Region-based Information for Geodesic .. - Paragios, Deriche - 1999
24 Geometric Level Set Methods in Imaging (context) - Osher, Paragios - 2003
22 IEEE Transactions on Image Processing (context) - Chan, Vese et al. - 2001
21 Dynamic Free-Form Deformations for Animation Synthesis - Faloutsos, Panne et al. - 1997
10 A Variational Framework for Image Segmentation Combining Mot.. - Cremers - 2003
10 Variational optic flow computation with a spatiotemporal smo.. (context) - Weickert, orr - 2001
9 A Variational Framework for Joint Segmentation and Registrat.. (context) - Yezzi, Zollei et al. - 2001
4 Determinating Optical Flow (context) - Horn, Schunck - 1981
3 Contour based object tracking with occlusion handling in vid.. - Yilmaz, Li et al. - 2004
2 Sparse Finite Elements for Geodesic Contours with Level-Sets - Weber, Blake et al. - 2004
2 ne Registration and Segmentation with Shape Prior: Applicati.. (context) - Dydenko, Friboulet et al. - 2003
1 High accuracy optical flow estiation based on a theory for w.. (context) - Brox, Bruhn et al. - 2004
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