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Keywords:

  • blood vessel;
  • deformation;
  • collision detection and avoidance;
  • sweep surface;
  • BVH;
  • sphere tree;
  • LSS tree;
  • B-splines

ABSTRACT

We present a real-time algorithm for realistically deforming 3D human blood vessels, while automatically detecting and avoiding interference among a large number of blood vessels under deformation. Sweep surfaces are employed for this purpose. Using a dynamic bounding volume hierarchy, specially designed for sweep surfaces, we support collision detection and other related geometric computations in real time. Copyright © 2013 John Wiley & Sons, Ltd.