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Studies Of Iris Identification Based On Complex Wavelet

Posted on:2006-09-09Degree:MasterType:Thesis
Country:ChinaCandidate:J W YuFull Text:PDF
GTID:2168360155451619Subject:Detection Technology and Automation
Abstract/Summary:PDF Full Text Request
With the development of information technology in contemporary society, the demands for security are becoming more and more important. So the technology of biometrics identification was improved and applied on many fields. Iris Identification is one of potential biometrics technology, it has been gradually applied to safety fields. Iris Identification is based on iris texture to identify persons, and it is one of most accurate biometrics technologies.In the paper, there are many studies on identification based on the advantages of image processing and wavelet analysis. Iris location is on the basis of identification。 Feature extraction and matching algorithms are the most key technologies in the identification system.It takes much time in the process of iris location on study of literature. So, it must improve the location speed and keep the precision of location, but not to lose iris texture information. Most of iris texture information centralizes on interior edge, and few is near exterior edge. So a improved Integro-difFerential Operator is used to locate exterior edge of iris. Based...
Keywords/Search Tags:iris identification, the least square method, phase enhancement, Log Gabor complex wavelet, phase coding
PDF Full Text Request
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