R. Planinc, A. Chaaraoui, M. Kampel, F. Florez-Revuelta:
"Computer vision for active and assisted living";
in: "Active and Assisted Living: Technologies and Applications", issued by: IET; IET, 2016, ISBN: 9781849199889, 57 - 79.
http://dx.doi.org/10.1049/PBHE006E_ch4