워터마크를 이용한 위조 홍채 영상 식별

In this paper, we propose a describes how to detect a false iris image by inserting watermark into a iris image. The existing method, which inserts the watermark into the entire iris image to detect a fake iris, has a problem that can evade it by segmenting iris region of an iris image. The purpose...

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Bibliographic Details
Published in한국컴퓨터정보학회논문지 Vol. 23; no. 4; pp. 33 - 39
Main Authors 김만기(Man-Ki Kim), 이사무엘(Samuel Lee), 김계영(Gye-Young Kim)
Format Journal Article
LanguageKorean
Published 한국컴퓨터정보학회 01.04.2018
Subjects
컴퓨터학
Fake Biometric Discrimination
Digital Watermarking
Iris Image
Discrete Cosine Transform
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ISSN1598-849X
2383-9945
DOI10.9708/jksci.2018.23.04.033

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Summary:In this paper, we propose a describes how to detect a false iris image by inserting watermark into a iris image. The existing method, which inserts the watermark into the entire iris image to detect a fake iris, has a problem that can evade it by segmenting iris region of an iris image. The purpose of overcoming the problem, this paper proposes a new fake iris detection technique based on digital watermark. It first searches a central point of an iris image, divide the image into blocks with respect to the point. executes Discrete Cosine Transform, inserts watermark into the blocks, and then verifies an iris image using NC(Normalized Correlation). In the experiments, we confirm the robustness for attacks – crop and JPEG. KCI Citation Count: 3
ISSN:1598-849X
2383-9945
DOI:10.9708/jksci.2018.23.04.033