Solving the Hazard Problem for Algorithmically Optimized Volume Rendering

Vettermann, Bernd ; Hesser, Jürgen ; Männer, Reinhard

Document Type: Conference or workshop publication
Year of publication: 1999
Book title: International Workshop on Volume Graphics, 24 - 25 March 1999, Swansea, UK
The title of a journal, publication series: International Workshop on Volume Graphics, Swansea, UK
Page range: 171-184
Publisher: Kaufman, Arie
Place of publication: Swansea
Publishing house: Univ.
Publication language: English
Institution: School of Business Informatics and Mathematics > Informatik V (Männer 1992-2008)
Subject: 004 Computer science, internet
Abstract: One of the most difficult problems in volume rendering hardware architectures is to provide an efficient hardware integration of algorithmic optimization techniques like, space leaping and early ray termination. An architecture, which solves this problem, is presented in this paper. It is based on a multithreaded approach that overcomes branch hazards caused by these algorithmic optimization techniques. Additionally, a new memory architecture suitable for the multithreaded processing of rays is presented. Simulations show efficiencies of up to 97% (only 3% idle time) for the full system. A frame rate of 132 Hz for a data set of 256 256 128 and up to 4 Hz for 1024 3 voxels has been found by simulation.

Dieser Eintrag ist Teil der Universitätsbibliographie.

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