Conference article

Visual Computing for Medicine

Dirk Bartz
University of Leipzig, Germany

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Published in: SIGRAD 2007. The Annual SIGRAD Conference; Special Theme: Computer Graphics in Healthcare; November 28-29; 2007; Uppsala; Sweden

Linköping Electronic Conference Proceedings 28:1, p. 1-1

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Published: 2007-12-20

ISBN: 978-91-7393-990-4

ISSN: 1650-3686 (print), 1650-3740 (online)


Medical visualization has been a long way down the road from the first - by todays standard - crude images to the current sophisticated rendering results. However; for a successful application of visualization; we need to look at the whole visual computing pipeline; which includes image processing; visualization; interaction; and in addition into perceptual issues of visual computing.

In my talk; I will discuss certain aspects of this pipeline. Starting from early image filtering after image acquisition (which by itself is also part of the medical imaging/image processing stage); segmentation is need to identify specific organs; in particular if they cannot be identified by standard classification approaches. After the preparation of the potentially multi-value and multi-field (modal) structured datasets; they are visualized using the whole variety of direct and indirect volume rendering approaches. Here; I will demonstrate that both approaches have advantages and disadvantages; and hence their place in medical visualization. Finally; we need to interact with the resulting renderings either pre-(post-)operatively for planning purposes; or in an intra-opera¬tive environment during an intervention. At all these stages; the intermediate and final results are interpreted mostly through the visual system of humans. Hence; we also need to consider how perception is not only influencing the interpretation; but also how we can improve it.


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