640 search results - page 65 / 128 » Watershed-Based Unsupervised Clustering |
101
click to vote
ACISICIS
2007
IEEE
15 years 6 months ago
2007
IEEE
We present here some applications of the Minimum Message Length (MML) principle to spatially correlated data. Discrete valued Markov Random Fields are used to model spatial correl...
111
click to vote
ACL
2012
13 years 2 months ago
2012
Aspect extraction is a central problem in sentiment analysis. Current methods either extract aspects without categorizing them, or extract and categorize them using unsupervised t...
PAMI
1998
14 years 11 months ago
1998
—Algorithmic enhancements are described that enable large computational reduction in mean square-error data clustering. These improvements are incorporated into a parallel data-c...
110
click to vote
PAMI
2008
14 years 11 months ago
2008
We present a novel probabilistic latent variable model to perform linear dimensionality reduction on data sets which contain clusters. We prove that the maximum likelihood solution...
ICPR
2000
IEEE
16 years 27 days ago
2000
IEEE
We present a document-specific OCR system and apply it to a corpus of faxed business letters. Unsupervised classification of the segmented character bitmaps on each page, using a ...