12441 search results - page 345 / 2489 » Frame Based Features |
199
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AIA
2007
15 years 8 months ago
2007
Sequential forward selection (SFS) is one of the most widely used feature selection procedures. It starts with an empty set and adds one feature at each step. The estimate of the ...
200
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DICTA
2008
15 years 8 months ago
2008
Recently, semantic image retrieval has attracted large amount of interest due to the rapid growth of digital image storage. However, existing approaches have severe limitations. I...
175
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AI
2004
Springer
15 years 6 months ago
2004
Springer
Feature selection, as a preprocessing step to machine learning, has been very effective in reducing dimensionality, removing irrelevant data, increasing learning accuracy, and imp...
167
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ICCV
2009
IEEE
16 years 11 months ago
2009
IEEE
With the recent efforts made by computer vision researchers,
more and more types of features have been designed
to describe various aspects of visual characteristics.
Modeling s...
206
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CVPR
2007
IEEE
16 years 8 months ago
2007
IEEE
It is well known that how to extract dynamical features is a key issue for video based face analysis. In this paper, we present a novel approach of facial action units (AU) and ex...