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4D space-time techniques: a medical imaging case study

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5 Author(s)
Tory, M. ; Sch. of Comput. Sci., Simon Fraser Univ., Burnaby, BC, Canada ; Rober, N. ; Möller, T. ; Celler, A.
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We present the problem of visualizing time-varying medical data. Two medical imaging modalities are compared-MRI and dynamic SPECT. For each modality, we examine several derived scalar and vector quantities such as the change in intensity over time, the spatial gradient, and the change of the gradient over time. We compare several methods for presenting the data, including isosurfaces, direct volume rendering, and vector visualization using glyphs. These techniques may provide more information and context than methods currently used in practice; thus it is easier to discover temporal changes and abnormalities in a data set.

Published in:

Visualization, 2001. VIS '01. Proceedings

Date of Conference:

21-26 Oct. 2001