@inproceedings { Array,
title = {Behavior Recognition via Sparse Spatio-Temporal Features},
booktitle = {IEEE International Workshop on Performance Evaluation of Tracking and Surveillance (PETS)},
year = {2005},
address = {Beijing, China},
author = {Piotr Doll{\'a}r and Vincent Rabaud and Garrison Cottrell and Serge Belongie}
}