التفاصيل البيبلوغرافية
| العنوان: |
Spectral Correspondence for Deformed Point-Set Matching. |
| المؤلفون: |
Nagel, Hans-Hellmut, Perales López, Francisco J., Carcassoni, M., Hancock, E. R. |
| المصدر: |
Articulated Motion & Deformable Objects; 2000, p120-132, 13p |
| مستخلص: |
This paper describes a modal method for point-set tracking in motion sequences. The framework for our study is the recently reported dual-step EM algorithm of Cross and Hancock [3]. This provides a statistical framework in which the structural arrangement of the point-sets provides constraints on the pattern of correspondences used to estimate alignment parameters. In this paper our representation of point-set structure is based on the point-adjacency matrix. Using ideas from spectral graph-theory, we show how the eigen-vectors of the point-adjacency matrix can be used to compute point correspondence probabilities. We show that the resulting correspondence matching algorithm can be used to track deforming point-sets detected in motion sequences. [ABSTRACT FROM AUTHOR] |
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