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Construction Method of Three-Dimensional Deformable Template Models for Tree-Shaped Organs

Hotaka TAKIZAWA, Shinji YAMAMOTO

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Summary :

In this paper, we propose a construction method of three-dimensional deformable models that represent tree-shaped human organs, such as bronchial tubes, based on results obtained by statistically analyzing the distributions of bifurcation points in the tree-shaped organs. The models are made to be used as standard templates of tree-shaped organs in medical image recognition, and are formed by control points that can be uniquely identified as structural elements of organs such as bifurcation tracheae in bronchial tubes. They can be transfigured based on the statistical validity of relationships between the control points. The optimal state of that transfiguration is determined within the framework of energy minimization. Experimental results from bronchial tubes are shown on actual CT images.

Publication
IEICE TRANSACTIONS on Information Vol.E89-D No.1 pp.326-331
Publication Date
2006/01/01
Publicized
Online ISSN
1745-1361
DOI
10.1093/ietisy/e89-d.1.326
Type of Manuscript
PAPER
Category
Image Recognition, Computer Vision

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