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The image high capacity and reversible data hiding technique based on pixel frequency of block

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4 Author(s)
Ching-Te Wang ; Dept. of Inf. Manage., Nat. Chin-Yi Univ. of Technol., Taichung, Taiwan ; Ching-Lin Wang ; Lin-Chun Li ; Sheng-You Guo

The data communication is becoming more and more rapidly and conveniently due to the information technology and Internet expeditious development. Therefore, the protections of information security and integrity are becoming very important in the network transmission. And the data hiding schemes are raised in the image research. The image data hiding technique is to embed secret message into a cover image and produce a stego-image, which can be securely sent to the receiver without revealing the secret message in the image. In this paper, we will propose an image high capacity and reversible data hiding scheme based on the frequency of block pixels. This method explores the frequency of pixels in each block and uses them as the predictive values. Because the neighboring pixels of blocks have the similar characteristics and the differences of prediction pixels are approximately. Thus, the peak values of prediction difference histogram are increased greatly, and the embedding capacity can be effectively enlarged on the cover image. From the experimental results, the stego-image not only has good PSNR values of image quality, but also has reversible characteristics for data hiding.

Published in:

Industrial Electronics and Applications (ICIEA), 2012 7th IEEE Conference on

Date of Conference:

18-20 July 2012

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