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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/87942

    Title: 虹膜辨識系統
    Other Titles: An iris recognition system
    Authors: 李岳陞;Li, Yue-Sheng
    Contributors: 淡江大學資訊工程學系碩士班
    Keywords: 生物辨識;虹膜辨識;虹膜分割;虹膜正規化;特徵擷取;高斯差;biometric recognition;iris recognition;iris segmentation;iris normalization;feature extraction;Difference of Gaussian (DoG)
    Date: 2012
    Issue Date: 2013-04-13 11:53:22 (UTC+8)
    Abstract: 虹膜辨識系統利用人類虹膜豐富的紋理特徵,來分辨出人的身份。虹膜影像某些區域常常因被眼皮、眼睫毛遮蓋住所造成的雜訊,在編碼時會被誤認成虹膜紋理的一部份而產生錯誤的虹膜資訊,進而直接影響之後的虹膜辨識結果,所以,正確去除這些雜訊是很重要的。
    Iris recognition system uses iris for distinguishing the identity of person using rich iris texture feature. To effectively remove noise and precisely segment stable iris region is a crucial stage prior to recognition. Most noises on iris images are caused by occlusion of eyelids or eyelashes in some certain areas. In this paper, we proposed an iris recognition system, which precisely locates and segments iris regions. We extract iris feature from a relatively reliable portion of the iris region using the DoG filter. Experimental results show that the proposed iris recognition system has satisfactory results in terms of time efficiency and recognition rate.
    Appears in Collections:[資訊工程學系暨研究所] 學位論文

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