Virtual colon flattening

Authors:
A. Vilanova Bartrolí;R. Wegenkittl;A. König;E. Gröller;E. Sorantin
Affiliations:
Institute of Computer Graphics and Algorithms, Vienna University of Technology;Tiani Medgraph;Institute of Computer Graphics and Algorithms, Vienna University of Technology;Institute of Computer Graphics and Algorithms, Vienna University of Technology;Section of Digital Information and Image Processing, Department of Radiology, University Hospital Graz, Austria
Venue:
EGVISSYM'01 Proceedings of the 3rd Joint Eurographics - IEEE TCVG conference on Visualization
Year:
2001

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Abstract

We present a new method to visualize virtual endoscopic views. We propose to flatten the organ by the direct projection of the surface onto a set of cylinders. Two sampling strategies are presented and the introduced distortions are studied. A non-photorealistic technique is presented to enhance the perception of the images. Finally, an approximate but real-time endoscopic fly-through is possible by using the data obtained by the projection technique.