If you publish results using the data,
please acknowledge the data as coming from
the ViSOR repository, found at URL: http://www.openvisor.org and cite the following paper:
R. Vezzani, R. Cucchiara,
"Video Surveillance Online Repository (ViSOR): an integrated framework"
in Multimedia Tools and Applications, vol. 50, n. 2, Kluwer Academic Press, pp. 359-380, 2010