Brown University, Department of Computer Science, May 2014 (phdthesis)
Jepson, A. D., Fleet, D. J.,US Pat. 6,954,544, October 2005 (patent)
IEEE Conf. on Computer Vision and Pattern Recognition (CVPR), Video Proceedings,, pages: 1202, 2005 (patent)
US Pat. 6,560,281, May 2003 (patent) , Ju, S., Minneman, S., Kimber, D.
US Pat. 6,526,156, Febuary 2003 (patent) , Jepson, A.