104 search results - page 6 / 21 » Using Dirichlet priors to improve model parameter plausibili... |
SIGIR
2002
ACM
14 years 9 months ago
2002
ACM
The optimal settings of retrieval parameters often depend on both the document collection and the query, and are usually found through empirical tuning. In this paper, we propose ...
HUMO
2007
Springer
15 years 3 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...
IR
2008
14 years 9 months ago
2008
Abstract. Document length is widely recognized as an important factor for adjusting retrieval systems. Many models tend to favor the retrieval of either short or long documents and...
CIKM
2009
Springer
15 years 4 months ago
2009
Springer
Sentiment analysis or opinion mining aims to use automated tools to detect subjective information such as opinions, attitudes, and feelings expressed in text. This paper proposes ...
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CVPR
2009
IEEE
15 years 4 months ago
2009
IEEE
In this paper we revisit the process of constructing a high resolution 3D morphable model of face shape variation. We demonstrate how the statistical tools of thin-plate splines a...