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arXiv 1503.00758math.OC
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基于约束最优控制的多形状配准

Multiple Shape Registration using Constrained Optimal Control

Sylvain Arguillère, Emmanuel Trélat, Alain Trouvé, Laurent Younes

摘要:

拉格朗日粒子制剂的大变形几何度量映射算法(LDDMM)只允许研究一个单一的形状。在本文中,我们介绍并讨论了同时研究多个形状的理论和实践设置,这些形状要么彼此缝合,要么沿着子流形滑动。该方法描述内的最优控制形式主义,并给出了最优性条件,连同方程,需要实施增广拉格朗日方法。缝合和滑动表面的实验结果。

英文摘要:

Lagrangian particle formulations of the large deformation diffeomorphic metric mapping algorithm (LDDMM) only allow for the study of a single shape. In this paper, we introduce and discuss both a theoretical and practical setting for the simultaneous study of multiple shapes that are either stitched to one another or slide along a submanifold. The method is described within the optimal control formalism, and optimality conditions are given, together with the equations that are needed to implement augmented Lagrangian methods. Experimental results are provided for stitched and sliding surfaces.

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