2011-GI_formationSketching_preprintBy cgim / September 15, 2011 Formation Sketching: An Approach to Stylize Groups in Crowd Simulation Qin Gu, and Zhigang Deng Proc. of Graphics Interface (GI) 2011 , St. John's, Newfoundland, Canada, May 2011, pp. 1-8 [Video] [pdf]