@misc {IOPORT.71006381,
    author       = {Tsai, Chia-Ling and Stewart, Charles V. and Roysam, Badrinath and Tanenbaum, Howard L.},
    title        = {Covariance-driven retinal image registration initialized from small sets of landmark correspondences},
    howpublished = {ISBI, 333-336 (2002).},
    year         = {2002},
    doi          = {10.1109/ISBI.2002.1029261},
    identifier   = {71006381},
}