Copyright protection scheme for digital images using visual cryptography and sampling methods

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Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/21085

Title:	Copyright protection scheme for digital images using visual cryptography and sampling methods
Authors:	Hsu, Ching-sheng;侯永昌;Hou, Young-chang
Contributors:	淡江大學資訊管理學系
Keywords:	Computing systems;Cryptography;Digital imaging
Date:	2005-07-05
Issue Date:	2009-11-30 13:13:20 (UTC+8)
Publisher:	Society of Photo-optical Instrumentation Engineers (SPIE)
Abstract:	A novel copyright protection scheme for digital images based on visual cryptography and statistics is proposed. The proposed method employs sampling distribution of means and visual cryptography to achieve the requirements of robustness and security. Our method can register multiple secret images without altering the host image and can identify the rightful ownership without resorting to the original image. Moreover, the proposed method enables the secret images to be of any size regardless of the size of the host image. Finally, experimental results show that the proposed scheme can resist several common attacks.
Relation:	Optical Engineering 44(7), pp.077003-1-077003-10
DOI:	10.1117/1.1951647
Appears in Collections:	[Graduate Institute & Department of Information Management] Journal Article

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