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Acceleration of template-based ray casting for volume visualization using FPGAs

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4 Author(s)
Dao, M. ; Dept. of Electr. & Comput. Eng., Rutgers Univ., Piscataway, NJ, USA ; Cook, T.A. ; Silver, D. ; D'Urbano, P.S.

Volume visualization is used heavily to view simulated or collected data sets in such applications as medical imaging, computational fluid dynamics, and climate modeling. However, software and low-cost hardware implementations of visualization algorithms do not have sufficient performance for interactive viewing. This paper discusses methods for low-cost, hardware acceleration of volume visualization using a PC-hosted FPGA board. Our methods focus on volume rendering approaches, since these techniques are widely used and are computationally expensive; our primary method uses a template-based, ray-casting algorithm. This hardware implementation is substantially faster than a software-only version running on the host PC

Published in:

FPGAs for Custom Computing Machines, 1995. Proceedings. IEEE Symposium on

Date of Conference:

19-21 Apr 1995