Abstract
Image steganography is a method for secure data transfer over the internet using image. Now-a-days, as internet is growing, information security is a major concern. In this paper, we present a new technique for image steganography in spatial domain. The proposed method extracts two LSBs and two MSBs of the selected pixel value. Then perform the XOR operation on first and last bit and second bit and seventh bit. On the basis of result of these two XOR operations every bit of secret data is embedded one by one on LSB of selected pixel value. The objective of this technique is to maximize the PSNR rate and invisibility of the secret data with minimal modification to the cover image. Experimental results indicate that our method achieves good image quality when compared with existing methods.
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