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The practice of concealing secret messages into index-based images has generally suffered from problems of image quality degradation and hiding capacity restriction. A steganographic scheme using an improved codebook partition is proposed in this paper. The proposed scheme partitions the codebook into different member sub-clusters in terms of their similarity between the codewords for increasing the hiding capacity and reducing the image distortion. Any size of a sub-cluster was allowed in the proposed scheme, so as to improve the traditional approaches in which the size of a sub-cluster was restricted to the power of two. As a result of this revised scheme, an increased hiding capacity and a reduction in image distortion are obtained, as indicated from experimental results. The average performance of the proposed scheme is superior to that of those standard methods.
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Wydawca
Czasopismo
Rocznik
Tom
Strony
15--27
Opis fizyczny
bibliogr. 14 poz., fot., tab., wykr.
Twórcy
autor
autor
autor
- Department of Computer Science and Information Engineering, National United University, Miaoli, 360, Taiwan, ykchiang@nuu.edu.tw
Bibliografia
- [1] Cheng, Q., Huang, T. S. :An Additive Approach to Transform-Domain Information Hiding and Optimum Detection Structure, IEEE Transactions on Multimedia, 3(3), 2001, 273-284.
- [2] Artz, D. :Digital Steganography: Hiding Data within Data, IEEE Internet Computing, 5(3), 2001, 75-80.
- [3] Lee, Y. K., Chen, L. H. : High Capacity Image Steganographic Model, Proceedings of IEE International Conference on Vision, Image and Signal Processing,, 147(3), 2000, 288-294.
- [4] Wang, R. Z., Lin, C. F., Lin, J. C. : Image Hiding by Optimal LSB Substitution and Genetic Algorithm, Pattern Recognition, 34(3), 2001, 671-683.
- [5] Chung, K. L., Shen, C. H., Chang, L. C. : A Novel SVD- and VQ-based Image Hiding Scheme, Pattern Recognition Letters, 22(9), 2001, 1051-1058.
- [6] Tsai, P., Hu, Y. C., Chang, C. C. : An Image Hiding Technique Using Block Truncation Coding, Proceedings of Pacific Rim Workshop on Digital Steganography, Kitakyushu, Japan, 2002, 54-64.
- [7] Chang,C. C., Chen, T. S., Chung, L. Z. : A SteganographicMethod Based upon JPEG and Quantization Table Modification, Information Science, 141, 2002, 123-138.
- [8] Kobayashi, H., Noguchi, Y., Kiya, H. : A Method of Embedding Binary Data into JPEG Bitstreams, IEICE Transactions,, J83-D2(6), 2000, 1469-1476.
- [9] Spaulding, J., Noda, H., Shirazi,M. N., Kawaguchi, E. : BPCS SteganographyUsing EZWLossy Compressed Images, Pattern Recognition Letters, 23(13), 2002, 1579-1587.
- [10] Tsai, P., Hu, Y. C., Chang, C. C. : A Progressive Secret Reveal System Based on SPIHT Image Transmission, Signal Processing: Image Communication, 9(3), 2004, 285-297.
- [11] Jo, M., Kim, H. F. : A Digital Image Watermarking Scheme Based on Vector Quantization, IEICE Transactions on Information and Systems, E85-D(6), 2002, 1054-1056.
- [12] Chang, C. C., Tsai, P., Lin, M. H. : An Adaptive Steganographic for Index-Based Images Using Codeword Grouping, The fifth International Pacific-Rim Conference on multimedia, (PCM-2004), Nov. 30- Dec. 3, Tokyo, Japan, 2004, 731-738.
- [13] Du, W. C., Hsu, W. J. : Adaptive Data Hiding Based on VQ compressed Images, IEE Proceedings on Vision, Image and Signal Processing, 150(4), 2003, 233-238.
- [14] Linde, Y., Buzo, A., Gray, R. M. : An Algorithm for Vector Quantifier Design, IEEE Transactions on Communications, 28, 1980, 84-95.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BUS5-0014-0055