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Comput Med Imaging Graph. 1992 Jul-Aug;16(4):237-51.

Interactive display of volumetric data by Fast Fourier Projection.

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Department of Computer Science, University of Western Ontario, London, Canada.


This article describes a new algorithm for reprojection of volumetric data, called Fast Fourier Projection (FFP), which is one to two orders of magnitude faster than conventional methods such as ray casting. The theoretical basis of the new method is developed in a unified mathematical framework encompassing slice imaging and conventional volumetric reprojection methods. Software implementation is discussed in detail. The article closes with an account of experience with a prototype FFP implementation, and applications of the technique in medical visualization.

[Indexed for MEDLINE]

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