An interactive visualization system for quantifying coral structures

Authors:
K. J. Kruszyński;R. van Liere;J. A. Kaandorp
Affiliations:
Center for Mathematics and Computer Science, Amsterdam, The Netherlands;Center for Mathematics and Computer Science, Amsterdam, The Netherlands;Section Computational Science, University of Amsterdam, Amsterdam, The Netherlands
Venue:
EUROVIS'06 Proceedings of the Eighth Joint Eurographics / IEEE VGTC conference on Visualization
Year:
2006

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Abstract

Determining the shape of coral structures is an essential step for coral biologists to classify and compare corals. Currently, coral biologists analyze shape by performing manual measurements on photographs of coral colonies. In this paper we describe an interactive visualization system for measuring coral shapes in a robust and quantitative way. The input of the system is a CT scan of the coral, and the output consists of statistical distributions of various morphological properties. The approach is to first extract a skeleton from the CT scan, and then to perform measurements on the skeleton graph. Interactive visualization is necessary, since various features of the coral prevent the system from being fully automatic.