The VOXEL-MAN 3D Navigators are a family of interactive atlases of anatomy and radiology for Windows PCs. The following 3D Navigators were published:
VOXEL-MAN 3D Navigator: Brain and Skull — interactive anatomy atlas of the brain and skull.
VOXEL-MAN 3D Navigator: Inner Organs — interactive anatomy atlas of the inner organs.
VOXEL-MAN 3D Navigator: Upper Limb — interactive anatomy atlas of the hand, arm and shoulder.
Other applications of this technology include the Virtual Mummy and the multimedia training system EUS meets VOXEL-MAN.
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. In contrast to a linear film, a two-dimensional matrix of images is available, so that the scene can be created and explored with two degrees of freedom. As an essential innovation, all images of the scene were 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, for example
- Rotation of the model around two axes
- Rotation around one axis, combined with a stepwise removal of anatomical layers
- Translations of two orthogonal dissecting planes
A user can explore a scene largely with the functionality of a full visualization system, but in real time and with a simlified handling on any standard PC.
- 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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