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Visualization of Large Volumetric Multi-Channel Microscopy Data Streams on Standard PCs

Tobias Brix
Jorg-Stefan Praßni
Klaus Hinrichs

Voreen is a ray-casting technique for rendering large volumetric multi-channel microscopy data streams on commodity hardware.

The volumetric data is managed at different levels of detail by an octree structure. In contrast to previous octree-based techniques, the octree is built incrementally and therefore supports streamed microscopy data as well as data set sizes exceeding the available main memory.Furthermore, this approach allows the user to interact with the partially rendered data set at all stages of the octree construction.

This rendering technique allows biologists to visualize their scanned specimen on their standard desktop computers without high-end hardware requirements.

The user can interact with the data set during the initial loading to explore the already loaded parts, change rendering parameters like color maps or adjust clipping planes. Streamed data can also be visualized to detect and stop flawed scans early during the scan process.

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Institution: University of Munster