2543 search results - page 316 / 509 » Using PageRank in Feature Selection |
CVPR
2004
IEEE
14 years 11 months ago
2004
IEEE
We present an unsupervised technique for detecting unusual activity in a large video set using many simple features. No complex activity models and no supervised feature selection...
ICDE
2007
IEEE
14 years 11 months ago
2007
IEEE
The application of frequent patterns in classification appeared in sporadic studies and achieved initial success in the classification of relational data, text documents and graph...
ICMCS
2006
IEEE
14 years 3 months ago
2006
IEEE
In this paper, a new approach for automatic audio classification using non-negative matrix factorization (NMF) is presented. Training is performed onto each audio class individua...
ICMCS
2006
IEEE
14 years 3 months ago
2006
IEEE
This paper presents an interactive video event retrieval system based on improved adaboost learning. This system consists of three main steps. Firstly, a long video sequence is pa...
ACCV
2006
Springer
14 years 3 months ago
2006
Springer
Recovering the pose of a person from single images is a challenging problem. This paper discusses a bottom-up approach that uses local image features to estimate human upper body p...