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Anatomical object volumes from deformable B-spline surface models

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2 Author(s)
Jiantao Huang ; CVIA Lab., Washington Univ. Sch. of Med., St. Louis, MO, USA ; Amini, A.A.

Accurate delineation of anatomical objects in 3D volumetric data is a significant problem in medical imaging. The authors have built a system that takes as input a spatial stack of 2D image slices being studied. The output of the system is a smooth 3D surface delineating the medical structure of interest, and the volume enclosed by the 3D surface. This paper presents a new method to represent a 3D anatomical object by a deformable B-spline tube, that facilitates the calculation of the volume enclosed based on a closed-form volume calculation formula. In order to validate the deformable B-spline surface fitting and associated volume calculation, 19 simulated 3D images were considered and theoretical volumes were compared with volumes produced by the authors' system. The errors were less than 4.9%

Published in:

Image Processing, 1998. ICIP 98. Proceedings. 1998 International Conference on  (Volume:1 )

Date of Conference:

4-7 Oct 1998