A hypergraph-based approach to affine parameters estimation

A hypergraph-based approach to affine parameters estimation
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DOI:
10.1109/icpr.2008.4761349
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发表时间:
2008-12
期刊:
2008 19th International Conference on Pattern Recognition
影响因子:
--
通讯作者:
S. R. Bulò;A. Albarelli;A. Torsello;M. Pelillo
S. R. Bulò;A. Albarelli;A. Torsello;M. Pelillo
中科院分区:
其他
文献类型:
--
作者:
S. R. Bulò;A. Albarelli;A. Torsello;M. Pelillo

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在计算机视觉中经常遇到的一个问题是恢复两个相似的失真图像之间的变换参数。在本文中,我们提出了一种新的基于特征的方法,将匹配问题转化为在辅助超图上搜索最大团。我们还引入了超图中团的基于连续的特征,使我们能够使用连续域的工具来处理困难的组合问题。最后,我们提出的实验结果和比较与国家的最先进的算法。
A problem commonly encountered in computer vision is the recovery of the transformation parameters between two affinely distorted images. In this paper, we propose a novel feature-based approach that casts the matching problem to the search of a maximum clique over an auxiliary hypergraph. We also introduce a continuous-based characterization of cliques in hypergraphs that allows us to handle the hard combinatorial problem using tools from the continuous domain. Finally, we present experimental result and comparisons with a state-of-the-art algorithm.