Ana Paula G. S. de Almeida, Vitor de Azevedo Faria, Flavio de Barros Vidal. Crowd Event Detection in Surveillance Video - An Approach based on Optical Flow High-frequency Feature Analysis. In José Braz, Sebastiano Battiato, Francisco H. Imai, editors, VISAPP 2015 - Proceedings of the 10th International Conference on Computer Vision Theory and Applications, Volume 3, Berlin, Germany, 11-14 March, 2015. pages 629-634, SciTePress, 2015. [doi]
Abstract is missing.