Automatically assigned DDC number: 006693

Manually assigned DDC number: 006693

Number of references: 16

Title: Ray Casting Architectures for Volume Visualization

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Subject: Harvey Ray,Hanspeter Pfister,Deborah Silver,Todd A. Cook Ray Casting Architectures for Volume Visualization

Description: Real-time visualization of large volume datasets demands high performance computation, pushing the storage, processing, and data communication requirements to the limits of current technology. General purpose parallel processors have been used to visualize moderate size datasets at interactive frame rates; however, the cost and size of these supercomputers inhibits the widespread use for real-time visualization. This paper surveys several special purpose architectures that seek to render volumes at interactive rates. These specialized visualization accelerators have cost, performance, and size advantages over parallel processors. All architectures implement ray casting using parallel and pipelined hardware. We introduce a new metric that normalizes performance to compare these architectures. The architectures included in this survey are VOGUE, VIRIM, Array Based Ray Casting, EM-Cube, and VIZARD II. We also discuss future applications of special purpose accelerators. I. Introduction V...

Contributor: The Pennsylvania State University CiteSeer Archives

Publisher: unknown

Date: 1999-01-07

Pubyear: 1999

Format: ps

Identifier: http://citeseer.ist.psu.edu/355219.html

Source: http://www.caip.rutgers.edu/~haray/paper.ps.gz

Language: en

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