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CPU-based speed acceleration techniques for shear warp volume rendering

Authors
Choi, KiyoungJo, SungupLee, HwaminJeong, Changsung
Issue Date
5월-2013
Publisher
SPRINGER
Keywords
CPU-based speed acceleration technique; Shear warp algorithm; Volume rendering
Citation
MULTIMEDIA TOOLS AND APPLICATIONS, v.64, no.2, pp.309 - 329
Indexed
SCIE
SCOPUS
Journal Title
MULTIMEDIA TOOLS AND APPLICATIONS
Volume
64
Number
2
Start Page
309
End Page
329
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/103377
DOI
10.1007/s11042-012-1010-7
ISSN
1380-7501
Abstract
The shear-warp algorithm with run-length-encoded volume is one of the fastest CPU-based speed acceleration techniques developed so far for direct volume rendering. But it has some defects, such as the increases in memory consumption and preprocessing time as well as the deterioration in image quality. This paper provides two kinds of techniques that can solve such defects without degrading rendering speed. One technique concentrates on enhancing image quality and decreasing memory consumption without reducing rendering speed, by making direct access to the memory space where initially loaded volume data is stored. The other technique concentrates on accelerating rendering speed and decreasing preprocessing time, by creating only one run-length-encoded volume and by combining non-photorealistic rendering techniques with shear-warp algorithm. In the present research, both techniques efficiently decreased the memory consumption and preprocessing time of shear-warp algorithm. They also showed optimal results in rendering speed and image quality.
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공과대학 (전기전자공학부)
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