Abstract
In the recent years, Riemannian shape analysis of curves and surfaces has found several applications in medical image analysis. In this paper we present a numerical discretization of second order Sobolev metrics on the space of regular curves in Euclidean space. This class of metrics has several desirable mathematical properties. We propose numerical solutions for the initial and boundary value problems of _nding geodesics. These two methods are combined in a Riemannian gradientbased optimization scheme to compute the Karcher mean. We apply this to a study of the shape variation in HeLa cell nuclei and cycles of cardiac deformations, by computing means and principal modes of variations.
| Original language | English |
|---|---|
| Title of host publication | Proceedings of the 5th MICCAI Workshop on Mathematical Foundations of Computational Anatomy (MFCA 2015) |
| Publication date | 2015 |
| Pages | 83-94 |
| Publication status | Published - 2015 |
| Event | 5th MICCAI Workshop on Mathematical Foundations of Computational Anatomy (MFCA 2015) - Munich, Germany Duration: 9 Oct 2015 → … Conference number: 5 http://www-sop.inria.fr/asclepios/events/MFCA15/ |
Workshop
| Workshop | 5th MICCAI Workshop on Mathematical Foundations of Computational Anatomy (MFCA 2015) |
|---|---|
| Number | 5 |
| Country/Territory | Germany |
| City | Munich |
| Period | 09/10/2015 → … |
| Other | In conjunction with MICCAI 2015. |
| Internet address |
Bibliographical note
The proceedings of the workshop are available as a collection of open archive papers.Keywords
- Curve matching
- Sobolev metrics
- Riemannian shape analysis
- Discrete geodesics
- Minimizing geodesics
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