Ghadimi, G., Nejati Jahromi, M., Ghaemi, E. Ghaemi, Heydari, A. H.. (1396). Data Hiding Method Based on Graph Coloring and Pixel Block‘s Correlation in Color Image. نشریه مهندسی عمران امیرکبیر, 49(2), 123-130. doi: 10.22060/eej.2017.10676.4868
G. Ghadimi; M. Nejati Jahromi; E. Ghaemi Ghaemi; A. H. Heydari. "Data Hiding Method Based on Graph Coloring and Pixel Block‘s Correlation in Color Image". نشریه مهندسی عمران امیرکبیر, 49, 2, 1396, 123-130. doi: 10.22060/eej.2017.10676.4868
Ghadimi, G., Nejati Jahromi, M., Ghaemi, E. Ghaemi, Heydari, A. H.. (1396). 'Data Hiding Method Based on Graph Coloring and Pixel Block‘s Correlation in Color Image', نشریه مهندسی عمران امیرکبیر, 49(2), pp. 123-130. doi: 10.22060/eej.2017.10676.4868
Ghadimi, G., Nejati Jahromi, M., Ghaemi, E. Ghaemi, Heydari, A. H.. Data Hiding Method Based on Graph Coloring and Pixel Block‘s Correlation in Color Image. نشریه مهندسی عمران امیرکبیر, 1396; 49(2): 123-130. doi: 10.22060/eej.2017.10676.4868

Data Hiding Method Based on Graph Coloring and Pixel Block‘s Correlation in Color Image

AUT Journal of Electrical Engineering
مقاله 2، دوره 49، شماره 2، 2017، صفحه 123-130    اصل مقاله (909.25 K)
نوع مقاله: Research Article
شناسه دیجیتال (DOI): 10.22060/eej.2017.10676.4868
نویسندگان
G. Ghadimi* 1؛ M. Nejati Jahromi2؛ E. Ghaemi Ghaemi3؛ A. H. Heydari4
1Dept. of Electrical Engineering, Emam Ali University, Tehran, Iran
2Dept. of Electrical Engineering, Shahid Sattary Aeronautical University of Science and Technology, Tehran, Iran
3Dept. of Electrical Engineering, Ahar University, Ahar, Iran
4Department of Electrical and Electronic Engineering, Amirkabir University of Technology, Tehran, Iran
چکیده
An optimized method for data hiding into a digital color image in spatial domain
is provided. The graph coloring theory with different color numbers is applied. To enhance the
security of this method, block correlations method in an image is used. Experimental results show
that with the same PSNR, the capacity is improved by %8, and also security has increased in the
method compared with other methods. In the correlation block-based image method, data hiding
capacity of the host image varies according to image type and defined threshold level. In the
proposed algorithm, during graph explanation, independent pixels placed side by side were colored.
Then, based on “pixel block correlation data hiding” process is done. This method grows the
security and capacity of hiding process. Besides, this increases the effects of image format and
correlation threshold on security and capacity.
کلیدواژه‌ها
Data hiding؛ Graph coloring؛ Correlation؛ Threshold؛ Security؛ Color number
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