de la Rosa Estanol, J., D. Beal, E. Bouffet, B. Kavanagh, and T. Chau. “Robust Gesture Recognition For Non-Contact Augmentative Communication Using a Dynamic Binary Frame of Reference”. CMBES Proceedings, vol. 28, no. 1, Dec. 2005, https://proceedings.cmbes.ca/index.php/proceedings/article/view/443.