An efficient navigation method for virtual endoscopy using volume ray casting

Byeong Seok Shin, Suk Hyun Lim

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

2 Scopus citations

Abstract

In virtual endoscopy, it is important to devise the navigation method that enables us to control the position and orientation of virtual camera easily and intuitively without collision to organ wall. We propose an efficient navigation algorithm that calculates depth information while rendering a scene for current frame with volume ray casting method, then computes new viewing specification of camera for the next frame using the depth information. It can generate a camera path in real-time, allows us to control the camera with ease, and avoids collision with objects efficiently. In addition, it doesn't require preprocessing stage and extra storage for maintaining spatial data structures. Experimental result shows that it is possible to navigate through human colon when we apply our method to virtual colonoscopy.

Original languageEnglish
Title of host publicationLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
EditorsPeter M.A. Sloot, David Abramson, Alexander V. Bogdanov, Yuriy E. Gorbachev, Jack J. Dongarra, Albert Y. Zomaya
PublisherSpringer Verlag
Pages60-69
Number of pages10
ISBN (Print)9783540401964
DOIs
StatePublished - 2003

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume2659
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

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