### International Journal of Computer Network and Information Security(IJCNIS)

*ISSN: *2074-9090 (Print), *ISSN: *2074-9104 (Online)

*Published By: *MECS Press

*IJCNIS Vol.10, No.1, Jan. 2018*

#### A New Approach for Data Hiding based on Pixel Pairs and Chaotic Map

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#### Abstract

In this paper, a new data hiding algorithm based on pixel pairs using chaotic map is proposed. Data hiding scheme is created by applying modulo function to pixel pairs. In here, pseudo random number generator (PRNG) is obtained from chaotic maps. The PRNG is very important for this algorithm since the data hiding coefficients are chosen by PRNG. For example, if the coefficient is 0, subtraction operator is used between pixel pairs. If coefficient is 1, summary operator is used for selected pixel pairs. The proposed algorithm is evaluated by embedding different sized secret data into different test images. This method is compared with the determined studies in the literature and the obtained results is evaluated. In this study, special rules are also defined to pixels which have boundary values for resolve overflow/underflow problem. Minimal changes are performed to reach the desired value of the pixel values. According to the results obtained, the proposed algorithm has high visual quality, good running time, secure and high payload capacity.

#### Cite This Paper

Sengul Dogan,"A New Approach for Data Hiding based on Pixel Pairs and Chaotic Map", International Journal of Computer Network and Information Security(IJCNIS), Vol.10, No.1, pp.1-9, 2018.DOI: 10.5815/ijcnis.2018.01.01

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