T. Kohlberger, E. Mémin, C. Schnoerr. Variational dense motion estimation using the Helmholtz decomposition. In Scale Space 03, L.D. Griffin, M. Lillholm (eds.), Lecture notes in computer science, Volume 2695, Pages 432-448, Isle of Skye, UK, June 2003.
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We present a novel variational approach to dense motion estimation of highly non-rigid structures in image sequences. Our representation of the motion vector field is based on the extended Helmholtz Decomposition into its principal constituents: The laminar flow and two potential functions related to the solenoidal and irrotational flow, respectively. The potential functions, which are of primary interest for flow pattern analysis in numerous application fields like remote sensing or fluid mechanics, are directly estimated from image sequences with a variational approach. We use regularizers with derivatives up to third order to obtain unbiased high-quality solutions. Computationally, the approach is made tractable by means of auxiliary variables. The performance of the approach is demonstrated with ground-truth experiments and real-world data
@InProceedings{Kohlberger03b,
Author = {Kohlberger, T. and Mémin, E. and Schnoerr, C.},
Title = {Variational dense motion estimation using the Helmholtz decomposition},
BookTitle = {Scale Space 03},
editor = {Griffin, L.D. and Lillholm, M.},
Volume = {2695},
Pages = {432--448},
Series = {Lecture notes in computer science},
Address = {Isle of Skye, UK},
Month = {June},
Year = {2003}
}
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