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Introduction
National Library of Medicine's Visible HumanTM
dataset is currently distributed through a FTP server
[1]
which provides easy image file access by organizing its directory structures
according to each specimen, image type and gross anatomical region. In
order to distribute the images so that a digital 3D-anatomy atlas can be
supported, the National Library of Medicine developed the 3DSystems project.
The specific objectives of this project include segmentation of the visible
male thorax, development of an object-oriented image database with unique
file formats [2],
a Web based client/server query engine
[3], and an image
display module. The file format (VHIF) implements three types of image files:
cross-sections, volume of interest, and 3D rendered which will be noted as
VHIF-CrossSection, VHIF-VOI, VHIF-Rendered respectively in this paper.
VHDisplay was developed to provide a test platform for viewing the anatomical
images and text information of the prototype VHIF files that were downloaded
from the 3DSystems database. This module uses delivered VHIF files as entities.
During the second phase of the 3DSystem development an interactive 3D-visualization
tool (VHVis) was developed. VHVis was developed to provide a link between
symbolic anatomical identities and 3D anatomical structures. VHIF-VOI files
are used as a data source for anatomical and spatial information.
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