@article{wang:hal-03320616, TITLE = {{Abnormal event detection via covariance matrix for optical flow based feature}}, AUTHOR = {Wang, Tian and Qiao, Meina and Zhu, Aichun and Niu, Yida and Li, Ce and Snoussi, Hichem}, URL = {https://utt.hal.science/hal-03320616}, JOURNAL = {{Multimedia Tools and Applications}}, PUBLISHER = {{Springer Verlag}}, VOLUME = {77}, NUMBER = {13}, PAGES = {17375-17395}, YEAR = {2018}, MONTH = Jul, DOI = {10.1007/s11042-017-5309-2}, HAL_ID = {hal-03320616}, HAL_VERSION = {v1}, }