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Christmas tree case study: computed tomography as a tool for mastering complex real world objects with applications in computer graphics

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15 Author(s)
Kanitsar, A. ; Inst. of Comput. Graphics & Algorithms, Vienna Univ. of Technol., Austria ; Theussl, T. ; Mroz, L. ; Sramek, M.
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We report on using computed tomography (CT) as a model acquisition tool for complex objects in computer graphics. Unlike other modeling and scanning techniques the complexity of the object is irrelevant in CT, which naturally enables to model objects with, for example, concavities, holes, twists or fine surface details. Once the data is scanned, one can apply post-processing techniques for data enhancement, modification or presentation. For demonstration purposes we chose to scan a Christmas tree which exhibits high complexity which is difficult or even impossible to handle with other techniques. However, care has to be taken to achieve good scanning results with CT. Further, we illustrate post-processing by means of data segmentation and photorealistic as well as non-photorealistic surface and volume rendering techniques.

Published in:

Visualization, 2002. VIS 2002. IEEE

Date of Conference:

1-1 Nov. 2002

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