Paulo Drews Jr.Luis Jesús MansoSidnei Carlos da Silva FilhoPedro NúñezImproving change detection using Vertical Surface Normal Histograms and Gaussian Mixture Models in structured environments.1-72013ICARhttps://doi.org/10.1109/ICAR.2013.6766553conf/icar/2013db/conf/icar/icar2013.html#DrewsMFN13