An Efficient Approach for Emphasizing Regions of Interest in Ray-Casting based Volume Rendering

Timo Ropinski Ulm University Frank Steinicke Hamburg University Klaus Hinrichs

2005

Abstract

We propose a volume visualization algorithm, which allows the combination of different visual appearances within one volume dataset to emphasize certain regions of interest or to eliminate extraneous information. For example, isosurface rendering may be combined with direct volume rendering to visualize surface structures of certain regions within a volume dataset while maintaining volumetric information for the remaining parts of the dataset. To achieve such a combination we use a lens volume, i.e., a 3D shape having an arbitrary convex geometry, which defines a region within the dataset to which a different visual appearance is applied during rendering. The proposed algorithm extends ray-casting approaches and exploits the features of current graphics hardware and thus enables rendering at high frame rates even on commodity hardware.

Bibtex

content_copy

@misc{ropinski2005efficient,
	title={An Efficient Approach for Emphasizing Regions of Interest in Ray-Casting based Volume Rendering},
	author={Ropinski, Timo and Steinicke, Frank and Hinrichs, Klaus},
	year={2005}
}