Abstract
We propose an improved shape matching algorithm that extends the work of Felzenszwalb [3]. In this approach, we use triangular meshes to represent deformable objects and use dynamic programming to find the optimal mapping from the source image to the target image which minimizes a new energy function. Our energy function includes a new cost term that takes into account the center of mass of an image. This term is invariant to translation, rotation, and uniform scaling. We also improve the dynamic programming method proposed in [3] using the center of mass of an image. Experimental results on the Brown dataset show a 7.8 % higher recognition rate when compared with Felzenszwalb’s algorithm.
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Kim, J., Shontz, S.M. (2010). An Improved Shape Matching Algorithm for Deformable Objects Using a Global Image Feature. In: Bebis, G., et al. Advances in Visual Computing. ISVC 2010. Lecture Notes in Computer Science, vol 6455. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-17277-9_13
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DOI: https://doi.org/10.1007/978-3-642-17277-9_13
Publisher Name: Springer, Berlin, Heidelberg
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