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- W2086541504 abstract "We propose a method for estimation of nonrigid motions in image sequences without segmentation technics. This method is based on the use of a Finite Element Method (FEM). We show how a motion process and an adaptative-size mesh procedure can be used to compute a nonrigid motion estimation. The algorithm is based on three steps. In the first step, an initial regular mesh is applied on the first frame. Then a velocity components estimation is computed using an energy function minimization. A FEM analysis based on the present mesh gives the velocity components for all the nodes of the mesh between the first and the second frame. Finally the new positions of the nodes are computed. These positions are the result of the sum of the old position and the estimated displacement or deformation. The algorithm is tested with different types of finite elements." @default.
- W2086541504 created "2016-06-24" @default.
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- W2086541504 date "1995-10-03" @default.
- W2086541504 modified "2023-09-23" @default.
- W2086541504 title "<title>Finite-element method for nonrigid motion estimation</title>" @default.
- W2086541504 doi "https://doi.org/10.1117/12.222682" @default.
- W2086541504 hasPublicationYear "1995" @default.
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