Hiding data in spatial domain images with distortion tolerance

Authors:
Iuon-Chang Lin;Yang-Bin Lin;Chung-Ming Wang
Affiliations:
Department of Management Information Systems, National Chung Hsing University, 250 Kuo-Kuang Rd., Taichung, 402 Taiwan;Department of Computer Science, National Chung Hsing University, Taichung, Taiwan;Department of Computer Science, National Chung Hsing University, Taichung, Taiwan
Venue:
Computer Standards & Interfaces
Year:
2009

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Abstract

Data hiding is a technique that is used to embed secret information into a cover media. It has been widely used in protecting copyright and transmitting sensitive data over an insecure channel. Conventional data hiding schemes only focus on how to reduce the distortion when sensitive data is embedded into the cover image. However, the transmitted images may be compressed or occur transmitting errors. If such errors occur, the receiver cannot extract the correct information from the stego-image. In this paper, we proposed a novel hiding data scheme with distortion tolerance. The proposed scheme not only can prevent the quality of the processed image from being seriously degraded, but also can simultaneously achieve distortion tolerance. Experimental results show that the proposed scheme indeed can obtain a good image quality and is superior to the other schemes in terms of its distortion tolerance.