20 May 1999 Template-based approach for virtual endoscopic navigation
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Three-dimensional (3D) digital images arise in many scientific applications. In an application such as virtual endoscopy, interactive navigation through the 3D image data -- i.e., the interactive creation of an animated sequence of views -- can reveal more information than single static two-dimensional (2D) views. For this case, the 3D image acts as a 'virtual environment' representing the imaged structures, and a computer-based system can serve as a tool for navigating through the environment. But such navigation must occur at interactive speeds if it is to be practical. This demands fast volume visualization from arbitrary viewpoints. We present an inexpensive, fast, volume-rendering method that can generate a sequence of views at interactive speeds. The method is based on the approximate discrete Radon transform and the temporal coherence concept. The method forms part of a system that permits dynamic navigation through 3D digital images. We provide pictorial and numerical results illustrating the performance of our method.
© (1999) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Martin L. Brady, Martin L. Brady, William E. Higgins, William E. Higgins, Krishnan Ramaswamy, Krishnan Ramaswamy, } "Template-based approach for virtual endoscopic navigation", Proc. SPIE 3660, Medical Imaging 1999: Physiology and Function from Multidimensional Images, (20 May 1999); doi: 10.1117/12.349594; https://doi.org/10.1117/12.349594

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