579 search results - page 7 / 116 » Modeling word burstiness using the Dirichlet distribution |
111
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ICCV
2007
IEEE
16 years 1 months ago
2007
IEEE
We develop nonparametric Bayesian models for multiscale representations of images depicting natural scene categories. Individual features or wavelet coefficients are marginally de...
129
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ICIP
2007
IEEE
16 years 1 months ago
2007
IEEE
We develop a hierarchical, nonparametric statistical model for wavelet representations of natural images. Extending previous work on Gaussian scale mixtures, wavelet coefficients ...
WWW
2007
ACM
16 years 10 days ago
2007
ACM
Name ambiguity is a special case of identity uncertainty where one person can be referenced by multiple name variations in different situations or even share the same name with ot...
101
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ICASSP
2009
IEEE
15 years 3 months ago
2009
IEEE
The Dirichlet process can be used as a nonparametric prior for an infinite-dimensional probability mass function on the parameter space of a mixture model. The set of parameters o...
112
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HUMO
2007
Springer
15 years 5 months ago
2007
Springer
We propose a new method for human action recognition from video sequences using latent topic models. Video sequences are represented by a novel “bag-of-words” representation, w...