Abnormal event detection based on trajectory clustering by 2-depth greedy search. Fan Jiang, Ying Wu, Katsaggelos, A. K., Jiang, F., Wu, Y., & Katsaggelos, A. K. In 2008 IEEE International Conference on Acoustics, Speech and Signal Processing, pages 2129–2132, mar, 2008. IEEE, IEEE. Paper doi abstract bibtex Clustering-based approaches for abnormal video event detection have been proven to be effective in the recent literature. Based on the framework proposed in our previous work [1], we have developed in this paper a new strategy for unsupervised trajectory clustering. More specifically, an information-based trajectory dissimilarity measure is proposed, based on the Bayesian information criterion (BIC). In order to minimize BIC, the agglomerative hierarchical clustering is applied using a 2-depth greedy search process. This strategy achieves better clustering results compared to the traditional 1-depth greedy search. The increased computational complexity is addressed with several bounds on the trajectory dissimilarity. ©2008 IEEE.
@inproceedings{jiang2008abnormal,
abstract = {Clustering-based approaches for abnormal video event detection have been proven to be effective in the recent literature. Based on the framework proposed in our previous work [1], we have developed in this paper a new strategy for unsupervised trajectory clustering. More specifically, an information-based trajectory dissimilarity measure is proposed, based on the Bayesian information criterion (BIC). In order to minimize BIC, the agglomerative hierarchical clustering is applied using a 2-depth greedy search process. This strategy achieves better clustering results compared to the traditional 1-depth greedy search. The increased computational complexity is addressed with several bounds on the trajectory dissimilarity. {\textcopyright}2008 IEEE.},
author = {{Fan Jiang} and {Ying Wu} and Katsaggelos, Aggelos K. and Jiang, Fan and Wu, Ying and Katsaggelos, Aggelos K.},
booktitle = {2008 IEEE International Conference on Acoustics, Speech and Signal Processing},
doi = {10.1109/ICASSP.2008.4518063},
isbn = {978-1-4244-1483-3},
issn = {1520-6149},
keywords = {Event detection,Unsupervised clustering,Video surveillance},
month = {mar},
organization = {IEEE},
pages = {2129--2132},
publisher = {IEEE},
title = {{Abnormal event detection based on trajectory clustering by 2-depth greedy search}},
url = {http://ieeexplore.ieee.org/document/4518063/},
year = {2008}
}
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