640 search results - page 80 / 128 » Watershed-Based Unsupervised Clustering |
122
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KDD
2007
ACM
16 years 7 days ago
2007
ACM
A good distance metric is crucial for many data mining tasks. To learn a metric in the unsupervised setting, most metric learning algorithms project observed data to a lowdimensio...
CVPR
2007
IEEE
16 years 1 months ago
2007
IEEE
Most of the online multimedia collections, such as picture galleries or video archives, are categorized in a fully manual process, which is very expensive and may soon be infeasib...
122
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ICPR
2006
IEEE
16 years 29 days ago
2006
IEEE
This work presents an automatic technique for detection of abnormal events in crowds. Crowd behaviour is difficult to predict and might not be easily semantically translated. More...
ICANN
2007
Springer
15 years 6 months ago
2007
Springer
The Self-Organising Map is a popular unsupervised neural network model which has been used successfully in various contexts for clustering data. Even though labelled data is not re...
WACV
2005
IEEE
15 years 5 months ago
2005
IEEE
A number of recent systems for unsupervised featurebased learning of object models take advantage of cooccurrence: broadly, they search for clusters of discriminative features tha...