%0 Journal Article
%T Contextual Information and Covariance Descriptors for People Surveillance: An Application for Safety of Construction Workers
%A Giovanni Gualdi
%A Andrea Prati
%A Rita Cucchiara
%J EURASIP Journal on Image and Video Processing
%D 2011
%I Springer
%R 10.1155/2011/684819
%U http://dx.doi.org/10.1155/2011/684819