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Journal of Zhejiang University SCIENCE A 2006 Vol.7 No.7 P.1134-1140

http://doi.org/10.1631/jzus.2006.A1134


Out-of-core clustering of volumetric datasets


Author(s):  GRANBERG Carl J., LI Ling

Affiliation(s):  Department of Computing, Curtin University of Technology, Perth, Australia

Corresponding email(s):   granberg@cs.curtin.edu.au, ling@cs.curtin.edu.au

Key Words:  Out-of-core clustering, Hybrid rendering, Scientific visualization


GRANBERG Carl J., LI Ling. Out-of-core clustering of volumetric datasets[J]. Journal of Zhejiang University Science A, 2006, 7(7): 1134-1140.

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author="GRANBERG Carl J., LI Ling",
journal="Journal of Zhejiang University Science A",
volume="7",
number="7",
pages="1134-1140",
year="2006",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2006.A1134"
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%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2006.A1134

TY - JOUR
T1 - Out-of-core clustering of volumetric datasets
A1 - GRANBERG Carl J.
A1 - LI Ling
J0 - Journal of Zhejiang University Science A
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SP - 1134
EP - 1140
%@ 1673-565X
Y1 - 2006
PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2006.A1134


Abstract: 
In this paper we present a novel method for dividing and clustering large volumetric scalar out-of-core datasets. This work is based on the Ordered Cluster Binary Tree (OCBT) structure created using a top-down or divisive clustering method. The OCBT structure allows fast and efficient sub volume queries to be made in combination with level of detail (LOD) queries of the tree. The initial partitioning of the large out-of-core dataset is done by using non-axis aligned planes calculated using Principal Component Analysis (PCA). A hybrid OCBT structure is also proposed where an in-core cluster binary tree is combined with a large out-of-core file.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

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[7] Heckel, B., Weber, G., Hamann, B., Joy, K., 1999b. Construction of Vector Field Hierarchies. Proceedings IEEE Visualization’99, p.19-25.

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[9] Ma, K., McCormick, P., Wilson, B., 2002. A Hardware-Assisted Hybrid Rendering Technique for Interactive Volume Visualization. Volume Visualization and Graphics Symposium 2002, p.123-130.

[10] Masciari, E., Pizzuti, C., Raimondo, G., Talia, D., 2001. Using an Out-of-core Technique for Clustering Large Datasets. Proceedings DEXA 2001 Workshops. IEEE Computer Society Press, p.133-137.

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