Constructing isosurfaces from CT data

Author

Wallin, Åke

Author_Institution

Bern Univ., Switzerland

Volume

11

Issue

6

fYear

1991

Firstpage

28

Lastpage

33

Abstract

An algorithm that automatically produces polygonal representations of 3-D structures within a volume from a set of cross-sectional images is presented. The method incorporates the requirements necessary for structure analysis to go beyond plain rendering. The algorithm is fully automatic, using local voxel values to determine the connectivity of the surface. The resulting polygons are coherently ordered and connected, and no polygon occurs more than once. Each surface is complete, that is, no holes occur (except as an option, on the boundaries of the volume). The algorithm can be used to describe and visualize normal as well as pathological anatomy.<>

Keywords

computer graphics; computerised picture processing; computerised tomography; 3-D structures; CT data; computerised tomography data; connectivity; cross-sectional images; isosurfaces; local voxel values; pathological anatomy; polygonal representations; polygons; structure analysis; Application software; Computed tomography; Data visualization; Image reconstruction; Isosurfaces; Orthopedic surgery; Pelvis; Shape; Surface morphology; Surface reconstruction;

fLanguage

English

Journal_Title

Computer Graphics and Applications, IEEE

Publisher

ieee

ISSN

0272-1716

Type

jour

DOI

10.1109/38.103391

Filename

103391