Interactive dynamic navigation for virtual endoscopy

Krishnan Ramaswamy, William E. Higgins

Research output: Contribution to journalArticlepeer-review

20 Scopus citations


Complex anatomical information can be obtained from a 3D radiologic image by navigating through it in a manner similar to an endoscopic examination. Real-time computation of 'virtual' endoscopic views, however, is needed to permit interactive navigation. We present a fast volume-rendering method for computing such views. Our method, motivated by the temporal- coherence concept, performs dynamic volume rendering at interactive frame rates. Results demonstrate the method's efficiency and accuracy. Also, our method constitutes part of a complete virtual-endoscopic system we have devised. This system is illustrated for 3D pulmonary analysis.

Original languageEnglish (US)
Pages (from-to)303-331
Number of pages29
JournalComputers in Biology and Medicine
Issue number5
StatePublished - Sep 1999

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Health Informatics


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