Anatomical volume visualization with weighted distance fields

Authors:
Thomas Kerwin;Brad Hittle;Han-Wei Shen;Don Stredney;Gregory Wiet
Affiliations:
The Ohio State University and Ohio Supercomputer Center;Ohio Supercomputer Center;The Ohio State University;The Ohio State University and Ohio Supercomputer Center;The Ohio State Medical Center
Venue:
EG VCBM'10 Proceedings of the 2nd Eurographics conference on Visual Computing for Biology and Medicine
Year:
2010

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Abstract

We describe the use of the weighted distance transform (WDT) to enhance applications designed for volume visualization of segmented anatomical datasets. The WDT is presented as a general technique to generate a derived characteristic of a scalar field that can be used in multiple ways during rendering. We obtain real-time interaction with the volume by calculating the WDT on the graphics card. Several examples of this technique as it applies to an application for teaching anatomical structures are detailed, including rendering embedded structures, fuzzy boundaries, outlining, and indirect lighting estimation.