Computer vision and tiger footprints...
http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=7013288&isnumber=7013258
Lokare, Namita; Ge, Qian; Snyder, Wesley; Jewell, Zoe; Allibhai, Sky; Lobaton, Edgar, “Manifold learning approach to curve identification with applications to footprint segmentation,” Computational Intelligence for Multimedia, Signal and Vision Processing (CIMSIVP), 2014 IEEE Symposium on , vol., no., pp.1,8, 9-12 Dec. 2014 doi: 10.1109/CIMSIVP.2014.7013288. URL:
