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Novel steganographic method based on jig swap puzzle images

[+] Author Affiliations
En-Jung Farn

National Tsing Hua University, Department of Computer Science, Hsinchu, Taiwan 30013

Chaur-Chin Chen

National Tsing Hua University, Department of Computer Science, Hsinchu, Taiwan 30013

J. Electron. Imaging. 18(1), 013003 (January 29, 2009). doi:10.1117/1.3073979
History: Received January 25, 2008; Revised November 29, 2008; Accepted December 03, 2008; Published January 29, 2009
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A new steganographic method for data hiding in jig swap puzzle images is proposed. First, a color image is taken as input and divided into blocks. Second, each block is rearranged to a new position according to the secret data and a stegokey. The resulting image is a perfect jig swap puzzle. The original image is needed for extracting the secret data. Under the assumption that the receiver and the sender share some common images, the receiver can extract the secret data from the jig swap puzzle image. We also present a scenario for secret data transmission based on an online jig swap puzzle. Experimental results show that the proposed method is undetectable and robust under lossy image compression and format conversion.

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Citation

En-Jung Farn and Chaur-Chin Chen
"Novel steganographic method based on jig swap puzzle images", J. Electron. Imaging. 18(1), 013003 (January 29, 2009). ; http://dx.doi.org/10.1117/1.3073979


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