497 search results - page 23 / 100 » Study on Feature Selection Algorithm in Topic Tracking |
ECML
2007
Springer
15 years 3 months ago
2007
Springer
The stability of sample based algorithms is a concept commonly used for parameter tuning and validity assessment. In this paper we focus on two well studied algorithms, LSI and PCA...
SDM
2007
SIAM
14 years 11 months ago
2007
SIAM
We study the joint feature selection problem when learning multiple related classification or regression tasks. By imposing an automatic relevance determination prior on the hypo...
KDD
2010
ACM
14 years 7 months ago
2010
ACM
The problem of graph classification has attracted great interest in the last decade. Current research on graph classification assumes the existence of large amounts of labeled tra...
ICIP
2004
IEEE
15 years 11 months ago
2004
IEEE
We present a stochastic tracking algorithm for surveillance video where targets are dim and at low resolution. The algorithm builds motion models for both background and foregroun...
SUTC
2008
IEEE
15 years 3 months ago
2008
IEEE
Semantic understanding of multimedia content has become a very popular research topic in recent years. Semantic concept detection algorithms face many challenges such as the seman...