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Region Secure and Pattern based Alternate 2B-3C Steganography Approach for Data Security in Color Images


Kapil Juneja*  


The public and group communication carried out in social networks, cloud and mobile networks suffer from unauthorized users. The data security is required for secure authentication, monetary transactions and other sensitive information. The steganography methods empower the user with secure communication in public domain. In this paper, a region secure and pattern based alternate 2B-3C (2Bit-3Channel) Steganography method is proposed to improve the content reliability and data security. In this method, the cover pixels are retrieved by applying the spiral rectangular pattern over the cover image. This spiral pattern also secures the core content region and the pixels from the core ROI is used as a cover only for larger size secret information. In this proposed steganography method, two channels are considered alternatively based on the defined rules. The LSB of both channels is XOR with input data bits and key to perform data hiding. The method is applied on real time color images taken from COREL and USC-SIPI-ID. The evaluation of proposed steganography approach is done using MSE (Mean Square Error), PSNR (Peak Signal-to-Noise Ratio), BER (Bit Error Rate), NCC (Normalized Cross Correlation) and SSIM (Structural Similarity Index Matrix). The comparative results are generated for 50 real time images against the existing LSB, LSBM, LSBMR, SSC, SHSI, HIS-MLSB and IMMEA methods. The experimentation results verified that the proposed 2B-3C approach improved the data hiding in qualitative and quantitative aspects.


Steganography, LSB, Color Images, Data Security, Spatial


Department of Computer Science and Engineering, University Institute of Engineering and Technology, Maharshi Dayanand University, Rohtak, Haryana,124001

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