A Reversible Data Hiding for JPEG Images

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Abstract:

A novel reversible data hiding technique for JPEG images is proposed in this paper. Consecutive zeros in the tail of DCT coefficient sequence in each block are exploited to embed a number of secret bits by modifying only one coefficient. Thanks to the efficient data embedding in the DCT coefficients, the proposed scheme can provide a good rate-distortion performance. Also, when having an image containing secret data, one can perfectly recover the original image after extracting the embedded data. Experimental results show that the proposed scheme outperforms the previous method.

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Periodical:

Advanced Materials Research (Volumes 433-440)

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4615-4620

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Online since:

January 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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