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ICPR
2008
IEEE
16 years 7 months ago
Multiclass spectral clustering based on discriminant analysis
Many existing spectral clustering algorithms share a conventional graph partitioning criterion: normalized cuts (NC). However, one problem with NC is that it poorly captures the g...
Xi Li, Zhongfei Zhang, Yanguo Wang, Weiming Hu
ICPR
2008
IEEE
16 years 28 days ago
Image segmentation towards natural clusters
To find how many clusters in a sample set is an old yet unsolved problem in unsupervised clustering. Many segmentation methods require the user to specify the number of regions in...
Zhigang Tan, Nelson Hon Ching Yung
ISAAC
2007
Springer
109views Algorithms» more  ISAAC 2007»
16 years 19 days ago
Separating Populations with Wide Data: A Spectral Analysis
In this paper, we consider the problem of partitioning a small data sample drawn from a mixture of k product distributions. We are interested in the case that individual features a...
Avrim Blum, Amin Coja-Oghlan, Alan M. Frieze, Shuh...
DEXAW
2005
IEEE
356views Database» more  DEXAW 2005»
16 years 3 days ago
Grid Visualizer: A Monitoring Tool for Grid Environment
One specific problem in wide-area distributed computing environment is effective management of the vast amount of resources that are made available within the grid environment. Th...
Ghazala Shaheen, Muhammad Usman Malik, Zohair Ihsa...
ISPD
2005
ACM
185views Hardware» more  ISPD 2005»
16 years 2 days ago
Dragon2005: large-scale mixed-size placement tool
In this paper, we develop a mixed-size placement tool, Dragon2005, to solve large scale placement problems effectively. A top-down hierarchical approach based on min-cut partition...
Taraneh Taghavi, Xiaojian Yang, Bo-Kyung Choi