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Ana Fred: Data Clustering
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Ana Fred: Data Clustering  
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Overview

Main Research Topics

Clustering ensemble methods Cluster validity measures Learning pairwise similarities Clustering based on 2nd order statistics

   
Ensemble Methods in Clustering

Evidence Accumulation Clustering

Links to papers: (pdf) Combining Multiple Clusterings using Evidence Accumulation


Papers in Journals

- Fred, A. L. N.; A. K. Jain; "Combining Multiple Clusterings using Evidence Accumulation", IEEE Trans. on Pattern Analysis and Machine Intelligence, Vol. 27, No. 6, pp. 835 - 850, June,2005.
Full text (PDF 3849KB)

   
Learning Pairwise Similarity


Papers in Conference Proceedings

- Fred, A. L. N.; A. K. Jain; "Learning Pairwise Similarity for Data Clustering", Proc International Conf. on Pattern Recognition - ICPR, Hong Kong, China, Vol. , pp. 925 - 928, August, 2006.


IAPR Best Paper Award in Pattern recognition and Basic Technologies - 2006
   
Clustering based on 2nd order statistics

Links to papers:

(pdf) A New Cluster Isolation Criterion Based on Dissimilarity Criteria


Papers in Journals

- Fred, A. L. N.; Leitão, J.; "A New Cluster Isolation Criterion Based on Dissimilarity Increments", IEEE Trans. on Pattern Analysis and Machine Intelligence, Vol. 25, No. 8, pp. 944 - 958, August,2003.
Full text (PDF 6813KB)

   
Theses

Feature Selection in Pattern Recognition Systems , MSc , Hugo Silva , 01-07-2007

Unsupervised Learning Methods and Combination Strategies , MSc , André Lourenço , 22-07-2005

   
Projects

SIMBAD Beyond features: similarity-based pattern analysis and recognition

 

   
 

   
 

   
 

   
 

   
 

 
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