The Voxel-Man 3D-Navigators are a family of interactive anatomy atlases for Windows PCs. The following 3D-Navigators were published:
Voxel-Man 3D-Navigator: Upper Limb (2008) — interactive anatomy atlas of the hand, arm and shoulder.
Voxel-Man 3D-Navigator: Inner Organs (2000/2003) — interactive anatomy atlas of the inner organs.
Voxel-Man 3D-Navigator: Brain and Skull (1998/2001/2009) — interactive anatomy atlas of the brain and skull.
Until well into the 2000s, interactive visualization of medical 3D models was only possible on high end workstations. This applied in particular to high resolution voxel models, such as those derived from the Visible Human.
To overcome these limitations, a new paradigm based on pre-calculated interactive scenes of the model was developed. As the base technology, the QuickTime VR format was chosen which allows for an interactive exploration with two degrees of freedom. As a decisive innovation, it was extended by a pixelwise link to an anatomical knowledge base which can be queried in the image context by simply clicking on it.
To create a scene, the two degrees of freedom can be freely chosen, such as
- rotation of the model around 2 axes
- rotation around 1 axis, combined with a stepwise removal of anatomical layers
- translations of 2 orthogonal dissecting planes
A user can explore a scene largely with the functionality of a full visualization system, but in real time and without the complexites on any standard PC.
Some 3D-Navigators are available for free download under a Creative Commons License.
- Rainer Schubert, Bernhard Pflesser, Andreas Pommert, Kay Priesmeyer, Martin Riemer, Thomas Schiemann, Ulf Tiede, Paul Steiner, Karl Heinz Höhne: Interactive volume visualization using “intelligent movies”. Studies in Health Technology and Informatics 62, 1999, 321-327.
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