| Recent years, the research of various Physiological Characteristics Identificationmethods has been regarded extensively, and more and more identity recognitionsystem have been attached to commercial phases. This article firstly introducesseveral advanced methods of Physiological Characteristics Identification at present,and then concentrates on the research of Iris Recognition method, which is slowlygotten on and less commercial useful.The research of Iris Recognition method in this article, differ from thepresently widely adopted method which based on Histogram analysis, that takes timedomain and frequency domain analysis to the taken image of the iris. And makesvectorization, what applies Bi-cubic Spline function to analyze the iris image. Thusnot only achieves the edge extraction of the iris image, but also chalks theeigenvalue (Second derivative) of the iris image up, therefore accomplishes twosteps into one's, wishing to make some advancement of the identification speed andidentification veracity of the Iris Recognition.The project realization in this test, applies the CCD camera lens which ispresently lower in price, to take the iris image, and strengthens the pretreatment of theiris image, in the hope of depressing the commercial cost of iris recognition systemwhile ensuring the discriminating veracity. |
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