615 search results - page 43 / 123 » Unsupervised Semantic Parsing |
ICASSP
2009
IEEE
15 years 8 months ago
2009
IEEE
We introduce a regularized kernel-based rule for unsupervised change detection based on a simpler version of the recently proposed kernel Fisher discriminant ratio. Compared to ot...
100
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ISDA
2009
IEEE
15 years 8 months ago
2009
IEEE
For supervised learning, feature selection algorithms attempt to maximise a given function of predictive accuracy. This function usually considers the ability of feature vectors t...
129
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AAAI
2008
15 years 4 months ago
2008
The objective of this paper is to study the existing methods for unsupervised object recognition and image categorization and propose a model that can learn directly from the outp...
112
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CVPR
2007
IEEE
16 years 4 months ago
2007
IEEE
The bag-of-words representation has attracted a lot of attention recently in the field of object recognition. Based on the bag-of-words representation, topic models such as Probab...
101
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CVPR
2010
IEEE
15 years 9 months ago
2010
IEEE
We propose a data-driven, hierarchical approach for the analysis of human actions in visual scenes. In particular, we focus on the task of in-house assisted living. In such scenar...