International Journal of Applied Science and Engineering
Published by Chaoyang University of Technology

Special issue: The 10th International Conference on Awareness Science and Technology (iCAST 2019)

Tzu-Chuen Lu1, Jau-Ji Shen2*, Ting-Chi Chang2

1 Department of Information Management, Chaoyang University of Technology, Taichung, Taiwan
2 Department of Information Management, National Chung Hsing University, Taichung, Taiwan

 

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ABSTRACT

Dual-images based hiding method is one kind of the hiding scheme which uses two duplicated images to conceal the secret message to generate the stego-images. Only a legal person who owns two stego-images can extract the correct message from the image. This kind of schemes been paid a lot of attention recently because it has better image quality and embedding capacity and realizes the concept of secret sharing. Lu et al. (2017) proposed a reversible dual-image based hiding scheme that used a block folding strategy to reduce the distortion between the cover image and the stego-image. They divided the secret message into two parts and encoded them into smaller digits to enhance the image quality of the stego-image. But their scheme needs an extra pixel to record the section numbers that limit the capacity of the secret message. This paper considers the complexity of the pixel to analysis how many bits can be embedded in the pixel to solve the problem. Furthermore, the proposed scheme applies an adaptive thresholds strategy to decide the thresholds for controlling the image quality. Experimental results show that the proposed scheme indeed improves the hiding performance.


Keywords: Dual-images; Center folding strategy; Block folding strategy; Reversible data hiding.


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REFERENCES

  1. Chang, C.C., Chou, Y.C., Kieu, T.D. 2009. Information hiding in dual images with reversibility, proceedings of 2009 Third International Conference on Multimedia and Ubiquitous Engineering, 145–152.

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  3. Chang, C.C., Lu, T.C. Horng, G., Huang, Y.H., Hsu, Y.M. 2013. A high payload data embedding scheme using dual stego-images with reversibility, proceedings of 2013 9th International Conference on Information, Communications & Signal Processing, 1–5.

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  8. Lu, T.C., Chi, L.P., Wu, C.H., Chang, H.P. 2017. Reversible data hiding in dual stego-images using frequency-based encoding Technology, Multimedia Tools and Applications, 76, 23903–23929.

  9. Lu, T.C., Leng, H.S. 2017. Reversible dual-image-based hiding scheme using block folding technique, Symmetry (Basel), 9, 10.

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ARTICLE INFORMATION

Received: 2020-03-04
Revised: 2020-03-24
Accepted: 2020-03-29
Available Online: 2020-09-01


Cite this article:

Lu, T.C., Shen, J.J., Chang, T.C. 2020. An effective lossless dual-images based hiding method using block complexity and adopted thresholds. International Journal of Applied Science and Engineering, 17, 249–256. https://doi.org/10.6703/IJASE.202009_17(3).249

  Copyright The Author(s). This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are cited.

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