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논문 기본 정보

저자정보
(중앙대학교) (중앙대학교) (중앙대학교)
저널정보
대한전자공학회 ICEIC : International Conference on Electronics, Informations and Communications ICEIC : 2008
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    초록·키워드

    In this paper, we propose a new method for authentication, and recoverability of digital images using Singular Value Decomposition. Using this technique, we can detect any modification made to the image and indicate the specific locations where the modification was made. The new method is reversible in the sense that, if the image is deemed authentic, the distortion on the extraction procedure can be removed to obtain the original image data. Authentication data is produced from XOR operation between watermark image and binary bits obtained from singular value of one block image. If the unmodified watermarked image is used, the extraction process will return the correct watermark signal and exact original image. The techniques provide new assurance tools for integrity protection of sensitive imagery such as medical images.

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      UCI(KEPA) : I410-ECN-0101-2012-569-004333312