Fast visualization of plane-like structures in voxel data

  • Authors:
  • Steffen Prohaska;Hans Christian Hege

  • Affiliations:
  • Zuse Institute Berlin (ZIB);Zuse Institute Berlin (ZIB)

  • Venue:
  • Proceedings of the conference on Visualization '02
  • Year:
  • 2002

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Abstract

We present a robust, noise-resistant criterion characterizing plane-like skeletons in binary voxel objects. It is based on a distance map and the geodesic distance along the object's boundary. A parameter allows to control the noise sensitivity.If needed, homotopy with the original object might be reconstructed in a second step, using an improved distance ordered thinning algorithm.The skeleton is analyzed to create a geometric representation for rendering. Plane-like parts are transformed into an triangulated surface not enclosing a volume by a suitable triangulation scheme. The resulting surfaces have lower triangle count than those created with standard methods and tend to maintain the original geometry, even after simplification with a high decimation rate. Our algorithm allows to interactively render expressive images of complex 3D structures, emphasizing independently plane-like and rod-like structures.The methods are applied for visualization of the microstructure of bone biopsies.