NDLI: Time-evolution analysis of differential features on 3D surfaces of the heart walls

Content Provider	IEEE Xplore Digital Library
Author	Clarysse, P. Friboulet, D. Magnin, I.E.
Copyright Year	1994
Description	Author affiliation: CREATIS-URA, Villeurbanne, France (Clarysse, P.; Friboulet, D.; Magnin, I.E.)
Abstract	Differential feature computation such as curvature computation proves itself useful in 3D shape reconstruction, segmentation and is potentially interesting in matching and motion estimation. Several methods have been developed, generally dependent on the surface representation. The authors focus here on discrete voxel-based surface representations and they use the now classical algorithm proposed by Sander and Zucker (1990) for which the authors assess the accuracy. With the aim of analyzing and synthesizing the motion of 3D deformable models, the authors track the evolution of the curvatures through 2 different approaches: one based on global differential features calculation while the other one visualizes the amount of deformation locally. These methods are applied to synthetic data generated from parametric models, and to a sequence of 18 3D X-ray data of the left ventricle of the heart. The simulations try to assess the temporal stability and accuracy of the curvature measures of such deformable surfaces. The experiments on real data of the left ventricular walls exhibit highly deformed regions opposite to quasi-stationary regions that can be used advantageously in 3D motion estimation or in a matching process.
Starting Page	1807
Ending Page	1811
File Size	529678
Page Count	5
File Format	PDF
ISBN	0780325443
DOI	10.1109/NSSMIC.1994.474713
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1994-10-30
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Surface reconstruction Motion estimation Deformable models Shape Motion analysis Tracking Data visualization Parametric statistics Heart Stability
Content Type	Text
Resource Type	Article

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