• KSII Transactions on Internet and Information Systems
    Monthly Online Journal (eISSN: 1976-7277)

Sharing a Large Secret Image Using Meaningful Shadows Based on VQ and Inpainting

Vol. 9, No. 12, December 30, 2015
10.3837/tiis.2015.12.024, Download Paper (Free):

Abstract

This paper proposes a novel progressive secret image-hiding scheme based on the inpainting technique, the vector quantization technique (VQ) and the exploiting modification direction (EMD) technique. The proposed scheme first divides the secret image into non-overlapping blocks and categorizes the blocks into two groups: complex and smooth. The blocks in the complex group are compressed by VQ with PCA sorted codebook to obtain the VQ index table. Instead of embedding the original secret image, the proposed method progressively embeds the VQ index table into the cover images by using the EMD technique. After the receiver recovers the complex parts of the secret image by decoding the VQ index table from the shadow images, the smooth parts can be reconstructed by using the inpainting technique based on the content of the complex parts. The experimental results demonstrate that the proposed scheme not only has the advantage of progressive data hiding, which involves more shadow images joining to recover the secret image so as to produce a higher quality steganography image, but also can achieve high hiding capacity with acceptable recovered image quality.


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Cite this article

[IEEE Style]
Z. Wang, K. Chen, C. Chang, C. Qin, "Sharing a Large Secret Image Using Meaningful Shadows Based on VQ and Inpainting," KSII Transactions on Internet and Information Systems, vol. 9, no. 12, pp. 5170-5188, 2015. DOI: 10.3837/tiis.2015.12.024.

[ACM Style]
Zhi-Hui Wang, Kuo-Nan Chen, Chin-Chen Chang, and Chuan Qin. 2015. Sharing a Large Secret Image Using Meaningful Shadows Based on VQ and Inpainting. KSII Transactions on Internet and Information Systems, 9, 12, (2015), 5170-5188. DOI: 10.3837/tiis.2015.12.024.

[BibTeX Style]
@article{tiis:21005, title="Sharing a Large Secret Image Using Meaningful Shadows Based on VQ and Inpainting", author="Zhi-Hui Wang and Kuo-Nan Chen and Chin-Chen Chang and Chuan Qin and ", journal="KSII Transactions on Internet and Information Systems", DOI={10.3837/tiis.2015.12.024}, volume={9}, number={12}, year="2015", month={December}, pages={5170-5188}}