Acquiring 3D Models of Non-Rigid Moving Objects From Time and Viewpoint Varying Image Sequences: A Step Toward Left Ventricle Recovery

Authors:
Yoshinobu Sato;Masamitsu Moriyama;Masayuki Hanayama;Hiroaki Naito;Shinich Tamura
Affiliations:
-;-;-;-;-
Venue:
IEEE Transactions on Pattern Analysis and Machine Intelligence
Year:
1997

Citing 3
Cited 0

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The Use of Three- and Four-Dimensional Surface Harmonics for Rigid and Nonrigid Shape Recovery and Representation

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Abstract

This paper describes a method for the accurate recovery of time-varying 3D shapes with known cycle from images with different viewpoints as well as times, aiming at the recovery of the left ventricular shapes. Our recovery method is based on the integration of apparent contours from different viewpoints. We perform direct fitting to a 4D closed surface model based on B-splines so as to deal with fragmented contours such as extracted from x-ray cineangiocardiograms. The method is quantitatively evaluated using synthesized and real image sequences.