16 search results - page 1 / 4 » Deriving TF-IDF as a Fisher Kernel |
SPIRE
2005
Springer
13 years 10 months ago
2005
Springer
The Dirichlet compound multinomial (DCM) distribution has recently been shown to be a good model for documents because it captures the phenomenon of word burstiness, unlike standar...
NIPS
2008
13 years 6 months ago
2008
We develop new techniques for time series classification based on hierarchical Bayesian generative models (called mixed-effect models) and the Fisher kernel derived from them. A k...
ICPR
2008
IEEE
14 years 6 months ago
2008
IEEE
Indefinite kernels arise in practice, e.g. from problem-specific kernel construction. Therefore, it is necessary to understand the behavior and suitability of classifiers in the c...
PCM
2004
Springer
13 years 10 months ago
2004
Springer
Kernel based methods have been of wide concern in the field of machine learning. This paper proposes a novel Gabor-Kernel Fisher analysis method (G-EKFM) for face recognition, whi...
NIPS
2007
13 years 6 months ago
2007
We propose to investigate test statistics for testing homogeneity based on kernel Fisher discriminant analysis. Asymptotic null distributions under null hypothesis are derived, an...