Iris Boundary Localization Algorithm Based On Radon Transform
Linsheng Li · Jisuanji fangzhen · 2009
According to the problem that non-iris-boundary-points can’t be eliminated in iris region segmentation,a new iris boundary localization algorithm based on radon transform was proposed.Firstly,binary edges were extracted,then the binary edge image was transformed into square region that was indicated by using polar coordinate,and then the proposed rules of horizontal edge selection were used to extract iris boundary points.Finally,parameters of iris boundaries could be obtained based on radon projections’ maximum.Simulation results show that the proposed algorithm is effective.