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Hiding a Halftone Secret Image in Two Camouflaged Halftone Images

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題名: Hiding a Halftone Secret Image in Two Camouflaged Halftone Images 作者: Chin-Chen Chang;Chi-Shiang Chan;and Yi-Hsuan Fan

關鍵詞: halftone images;visual cryptography;image hiding 日期: 2006-09

上傳時間: 2010-04-21T02:55:58Z

摘要: In this paper, we shall propose a method to hide a halftone secret image into two other camouflaged halftone images. In our method, we adjust the gray-level image pixel value to fit the pixel values of the secret image and two camouflaged images. Then, we use the halftone technique to transform the secret image into a secret halftone image.

After that, we make two camouflaged halftone images at the same time out of the two camouflaged images and the secret halftone image. After overlaying the two camouflaged halftone images, the secret halftone image can be revealed by using our eyes. The experimental results included in this paper show that our method is very practicable.

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