Journal of the Korea Society of Computer and Information (한국컴퓨터정보학회논문지)

Korean Society of Computer Information (한국컴퓨터정보학회)
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Fake Iris Image Detection based on Watermark

  • Kim, Man-Ki (Computer Vision Laboratory, Soongsil University) ;
  • Lee, Samuel (Computer Vision Laboratory, Soongsil University) ;
  • Kim, Gye-Young (Dept. of Software, Soongsil University)
  • Received : 2018.03.27
  • Accepted : 2018.04.10
  • Published : 2018.04.30
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Abstract

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.

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References

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