2036 search results - page 233 / 408 » 1-norm Support Vector Machines |
140
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CVPR
2001
IEEE
16 years 6 months ago
2001
IEEE
We present a component-based, trainable system for detecting frontal and near-frontal views of faces in still gray images. The system consists of a two-level hierarchy of Support ...
147
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CVPR
2005
IEEE
16 years 6 months ago
2005
IEEE
Although recent studies have shown that unlabeled data are beneficial to boosting the image retrieval performance, very few approaches for image retrieval can learn with labeled a...
112
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ICIP
2007
IEEE
16 years 5 months ago
2007
IEEE
In this paper, we propose a novel approach for source camera identification based on camera gain histogram. By using the photon transfer curve (PTC) as camera noise model, we cons...
158
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ICIP
2006
IEEE
16 years 5 months ago
2006
IEEE
A novel method based on geometrical and texture information is proposed for facial expression recognition from video sequences. The Discriminant Non-negative Matrix Factorization ...
122
Voted
ICIP
2006
IEEE
16 years 5 months ago
2006
IEEE
We propose a simple nonparametric linear regression tool, known as kernel regression (KR), to estimate the illumination chromaticity. We design a Gaussian kernel whose bandwidth i...