Image-based collision detection

  • Authors:
  • George Baciu;Wingo Sai-Keung Wong

  • Affiliations:
  • Department of Computing, The Hong Kong Polytechnic University, Kowloon, Hong Kong;Department of Computing, The Hong Kong Polytechnic University, Kowloon, Hong Kong

  • Venue:
  • Integrated image and graphics technologies
  • Year:
  • 2004

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Abstract

Dynamic objects in virtual environments are the source of some of the largest number of interaction events. These are mostly generated from object collisions. The collision detection methods that have been developed so far are based on geometrical object-space interference tests. In this chapter, we first discuss the development of conventional collision detection methods that has lead to certain limitations due to their dependence on isolating geometrical features in close proximity. Then, we introduce a more comprehensive approach based on image-space interference tests which improves on the object-space collision detection by distributing the computational load throughout the graphics pipeline. In conjuction with efficient bounding-box strategies in the object-space, this approach can handle complex object interactions of both rigid and deformable objects of arbitrary surface complexity at interactive rates.