4127 search results - page 516 / 826 » Evaluation methods for topic models |
187
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SIGIR
2002
ACM
15 years 6 months ago
2002
ACM
In this paper, we present the AutoCat system for product classification. AutoCat uses a vector space model, modified to consider product attributes unavailable in traditional docu...
152
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DPHOTO
2009
15 years 4 months ago
2009
A method for evaluating texture quality as shot by a camera is presented. It is shown that usual sharpness measurements are not completely satisfying for this task. A new target b...
160
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TWC
2010
15 years 1 months ago
2010
We introduce a new sequential importance sampling (SIS) algorithm which propagates in time a Monte Carlo approximation of the posterior fixed-lag smoothing distribution of the symb...
153
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ICIP
2000
IEEE
16 years 8 months ago
2000
IEEE
We develop an information?theoretic analysis of dependencies between image wavelet coefficients. The dependencies are measured using mutual information, which has a direct link wi...
167
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ICPR
2008
IEEE
16 years 8 months ago
2008
IEEE
Considering the statistical text classification problem we approximate class-conditional probability distributions by structurally modified Poisson mixtures. By introducing the st...