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CORR
2008
Springer
158views Education» more  CORR 2008»
15 years 6 months ago
Improved Smoothed Analysis of the k-Means Method
The k-means method is a widely used clustering algorithm. One of its distinguished features is its speed in practice. Its worst-case running-time, however, is exponential, leaving...
Bodo Manthey, Heiko Röglin
CORR
2006
Springer
102views Education» more  CORR 2006»
15 years 6 months ago
Structural Inference of Hierarchies in Networks
One property of networks that has received comparatively little attention is hierarchy, i.e., the property of having vertices that cluster together in groups, which then join to f...
Aaron Clauset, Cristopher Moore, M. E. J. Newman
IJAR
2006
197views more  IJAR 2006»
15 years 6 months ago
Rough fuzzy set based scale space transforms and their use in image analysis
In this paper we present a multi-scale method based on the hybrid notion of rough fuzzy sets, coming from the combination of two models of uncertainty like vagueness by handling r...
Alfredo Petrosino, Giuseppe Salvi
IVC
2006
163views more  IVC 2006»
15 years 6 months ago
Adaptive fingerprint image enhancement with fingerprint image quality analysis
Accurate minutiae extraction from fingerprint images is heavily dependent on the quality of the fingerprint images. In order to improve the performance of the system, much effort ...
Eun-Kyung Yun, Sung-Bae Cho
JMM2
2006
128views more  JMM2 2006»
15 years 6 months ago
Analysis of Facial Dynamics Using a Tensor Framework
Research has shown that the dynamics of facial motion are important in the perception of gender, identity, and emotion. In this paper we show that it is possible to use a multi-lin...
Lisa Gralewski, Neill W. Campbell, Edward Morrison...