Hardware based segmentation in iris recognition and authentication systems

Bradley J. Ulis, Randy P. Broussard, Ryan N. Rakvic, Robert W. Ives, Neil Steiner, Hau Ngo, Sos S. Agaian, Sabah A. Jassim
2009 Mobile Multimedia/Image Processing, Security, and Applications 2009  
Iris recognition algorithms depend on image processing techniques for proper segmentation of the iris. In the Ridge Energy Direction (RED) iris recognition algorithm, the initial step in the segmentation process searches for the pupil by thresholding and using binary morphology functions to rectify artifacts obfuscating the pupil. These functions take substantial processing time in software on the order of a few hundred million operations. Alternatively, a hardware version of the binary
more » ... gy functions is implemented to assist in the segmentation process. The hardware binary morphology functions have negligible hardware footprint and power consumption while achieving speed up of 200 times compared to the original software functions.
doi:10.1117/12.820239 fatcat:lybao675ibccvee5fe4dsrq6za