1746 search results - page 240 / 350 » Hierarchical Unsupervised Learning |
155
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MCS
2010
Springer
15 years 11 months ago
2010
Springer
One of the challenges in unsupervised machine learning is finding the number of clusters in a dataset. Clustering Validity Indices (CVI) are popular tools used to address this pro...
157
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DEXA
2009
Springer
15 years 11 months ago
2009
Springer
Abstract. In this paper, we study the problem of projected outlier detection in high dimensional data streams and propose a new technique, called Stream Projected Ouliter deTector ...
148
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CCIA
2007
Springer
15 years 10 months ago
2007
Springer
Polysemy is one of the most difficult problems when dealing with natural language resources. Consequently, automated ontology learning from textual sources (such as web resources) ...
146
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ICMCS
2006
IEEE
15 years 10 months ago
2006
IEEE
It is well-known that supervised learning techniques such as linear discriminant analysis (LDA) often suffer from the so called small sample size problem when apply to solve face ...
156
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ICMCS
2005
IEEE
15 years 10 months ago
2005
IEEE
This paper describes a novel SOM-Wavelet Networks method for face recognition. We employed a SOM algorithm, which is based on the structure of a biological model, to extract shape...