Matthew He Bai-Chuan Jiang Using Bilinear Transformations to Estimate The Ratios of Accommodation and Vergence Responses of Binocular Vision. 209-213 2006 conf/IEEEicci/2006 IEEE ICCI http://dx.doi.org/10.1109/COGINF.2006.365698 db/conf/IEEEicci/IEEEicci2006.html#HeJ06