74 search results - page 1 / 15 » Initialization of Iterative Refinement Clustering Algorithms |
KDD
1998
ACM
13 years 8 months ago
1998
ACM
KDD
2005
ACM
14 years 5 months ago
2005
ACM
We propose a hybrid, unsupervised document clustering approach that combines a hierarchical clustering algorithm with Expectation Maximization. We developed several heuristics to ...
ICIP
2009
IEEE
13 years 3 months ago
2009
IEEE
We propose a method for segmentation of frontal human portraits from arbitrary unknown backgrounds. Semantic information is used to project the face into a normalized reference fr...
SIGIR
2002
ACM
13 years 4 months ago
2002
ACM
In this paper, we propose a document clustering method that strives to achieve: (1) a high accuracy of document clustering, and (2) the capability of estimating the number of clus...
ICPR
2010
IEEE
13 years 3 months ago
2010
IEEE
Although many methods of refining initialization have appeared, the sensitivity of K-Means to initial centers is still an obstacle in applications. In this paper, we investigate a...