Method for combining fast surface and exact volume visualization techniques in medicine

Karl-Hans Englmeier; Michael Haubner; H. M. Foerterer; W. Perzl; B. K. Fink; U. Fink

doi:10.1117/12.174012

1 May 1994 Method for combining fast surface and exact volume visualization techniques in medicine

Karl-Hans Englmeier; Michael Haubner; H. M. Foerterer; W. Perzl; B. K. Fink; U. Fink

Author Affiliations +

Proceedings Volume 2164, Medical Imaging 1994: Image Capture, Formatting, and Display; (1994) https://doi.org/10.1117/12.174012
Event: Medical Imaging 1994, 1994, Newport Beach, CA, United States

Abstract

In order to enable the interaction with and manipulation of 3-D data sets in the realm of medical diagnosis and therapy planning we developed a modified Z-merging algorithm that includes transparency and texture mapping features. For this an extended shape based interpolation model creates isotropic grayscale data volume in case of spatial image sequences. Interesting anatomical regions such as soft tissue, organs, and bones are detected by automatic and interactive segmentation procedures. Following that, a fully automatic surface construction algorithm detects the 3-D object boundaries by fitting geometric primitives to the binary data. The surface representations support the user with a fast overview about the structure of the 3D scene. Texture mapping is implemented as the projection of the gray values of the isotropic voxels onto a polygonal surface. Adaptive refinement, Phong's normal interpolation, and transparency are the most important features of this raytracer. The described technique enables the simultaneous display of multimodal 3D image data.

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Karl-Hans Englmeier, Karl-Hans Englmeier, Michael Haubner, Michael Haubner, H. M. Foerterer, H. M. Foerterer, W. Perzl, W. Perzl, B. K. Fink, B. K. Fink, U. Fink, U. Fink, } "Method for combining fast surface and exact volume visualization techniques in medicine", Proc. SPIE 2164, Medical Imaging 1994: Image Capture, Formatting, and Display, (1 May 1994); doi: 10.1117/12.174012; https://doi.org/10.1117/12.174012

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