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http://dx.doi.org/10.3745/KTSDE.2014.3.10.429

A Novel Eyelashes Removal Method for Improving Iris Data Preservation Rate  

Kim, Seong-Hoon (가천대학교 전자계산학과)
Han, Gi-Tae (가천대학교 컴퓨터공학과)
Publication Information
KIPS Transactions on Software and Data Engineering / v.3, no.10, 2014 , pp. 429-440 More about this Journal
Abstract
The iris recognition is a biometrics technology to extract and code an unique iris feature from human eye image. Also, it includes the technology to compare with other's various iris stored in the system. On the other hand, eyelashes in iris image are a external factor to affect to recognition rate of iris. If eyelashes are not removed exactly from iris area, there are two false recognitions that recognize eyelashes to iris features or iris features to eyelashes. Eventually, these false recognitions bring out a lot of loss in iris informations. In this paper, in order to solve that problems, we removed eyelashes by gabor filter that using for analysis of frequency feature and improve preservation rate of iris informations. By novel method to extract various features on iris area using angle, frequency, and gaussian parameter on gabor filter that is one of the filters for analysing frequency feature for an image, we could remove accurately eyelashes with various lengths and shapes. As the result, proposed method represents that improve about 4% than previous methods using GMM or histogram analysis in iris preservation rate.
Keywords
Eyelashes Detection; Eyelid Detection; Pupil Detection; Gabor Filter; Iris Recognition;
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