@InProceedings{Bhargava_AVSS07, author = {M. Bhargava and C.-C. Chen and M. S. Ryoo, and J. K. Aggarwal}, title = {Detection of Abandoned Objects in Crowded Environments}, booktitle = {IEEE International Conference on Advanced Video and Signal based Surveillance (AVSS)}, address = {London, UK}, year = {2007} }