Rohini Mahajan Devanand Padha Detection of Change in Body Motion With Background Construction and Silhouette Orientation: Background Subtraction With GMM. 1-19 2022 12 Int. J. Inf. Retr. Res. 2 https://doi.org/10.4018/ijirr.299935 db/journals/ijirr/ijirr12.html#MahajanP22