An interactive system for visualizing 3D human organ models

Un Hong Wong, Hon Cheng Wong, Zesheng Tang

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Citations (Scopus)

Abstract

Demonstrations play a major role in education process. Although many specimen are readily available, particularly in medicine and biology, demonstrations are commonly performed by showing these static specimen to medical or biological students. Interactive demonstrations can significantly impacts learning. An interactive system for visualizing 3D human organ models can fulfill this need. In this paper, we present techniques to realize such a system which can let the user select and view one or several major organ models extracted from segmented Visible Human dataset interactively through a simple graphical user interface. The stereoscopic views of these organ models are also achieved with this system running on a PC-based stereo-ready system. In our system, the Marching Cubes algorithm is used but new implementation we proposed to greatly improve both the speed and quality of surface rendering results is performed. This new implementation can generate the Marching Cubes cases on-the-fly within the surface extraction process of the models by considering the relationship of the vertices, borders, and surfaces of each voxel. We also describe a new method for specifying the normals for the extracted triangles without the need of physical information (such as intensity values stored in a medical Computed Tomography (CT) dataset) stored in the voxels. These normals will be used for lighting the extracted models later. Furthermore, a memory arrangement scheme is designed to enhance the usability of the system.

Original languageEnglish
Title of host publicationProceedings - Ninth International Conference on Computer Aided Design and Computer Graphics, CAD/CG 2005
Pages403-408
Number of pages6
DOIs
Publication statusPublished - 2005
Externally publishedYes
Event9th International Conference on Computer Aided Design and Computer Graphics, CAD/CG 2005 - Hong Kong, China
Duration: 7 Dec 200510 Dec 2005

Publication series

NameProceedings - Ninth International Conference on Computer Aided Design and Computer Graphics, CAD/CG 2005
Volume2005

Conference

Conference9th International Conference on Computer Aided Design and Computer Graphics, CAD/CG 2005
Country/TerritoryChina
CityHong Kong
Period7/12/0510/12/05

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