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CGF
2006
107views more  CGF 2006»
14 years 9 months ago
Volume-Surface Trees
Many algorithms in computer graphics improve their efficiency by using Hierarchical Space Subdivision Schemes (HS3), such as octrees, kD-trees or BSP trees. Such HS3 usually provi...
Tamy Boubekeur, Wolfgang Heidrich, Xavier Granier,...
ASPDAC
2005
ACM
131views Hardware» more  ASPDAC 2005»
14 years 11 months ago
Analysis of buffered hybrid structured clock networks
- This paper presents a novel approach for fast transient analysis of buffered hybrid structured clock networks. The new method applies structure reduction and relaxed hierarchical...
Yi Zou, Qiang Zhou, Yici Cai, Xianlong Hong, Sheld...
SSDBM
2006
IEEE
123views Database» more  SSDBM 2006»
15 years 3 months ago
Mining Hierarchies of Correlation Clusters
The detection of correlations between different features in high dimensional data sets is a very important data mining task. These correlations can be arbitrarily complex: One or...
Elke Achtert, Christian Böhm, Peer Kröge...
PRL
2010
188views more  PRL 2010»
14 years 4 months ago
A fast divisive clustering algorithm using an improved discrete particle swarm optimizer
As an important technique for data analysis, clustering has been employed in many applications such as image segmentation, document clustering and vector quantization. Divisive cl...
Liang Feng, Ming-Hui Qiu, Yu-Xuan Wang, Qiao-Liang...
ICPR
2002
IEEE
15 years 2 months ago
A Comparison of Techniques for Automatic Clustering of Handwritten Characters
This work reports experiments with four hierarchical clustering algorithms and two clustering indices for online handwritten characters. The main motivation of the work is to deve...
Vuokko Vuori, Jorma Laaksonen