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:: Volume 5, Issue 2 (3-2017) ::
3 2017, 5(2): 63-71 Back to browse issues page
Review of Image Steganography Based on LSB and Pixel Classification and Providing a New Method in This Area
Mansoor Fateh, Samira Rajabloo, Elahe Alipour
Shahrood University of Technology
Abstract:   (3068 Views)

In this paper, the image steganography based on LSB and pixel classification is reviewed. Then, the method for steganography information in image is presented. This method based on LSB. Our purpose of this paper is to minimize the changes in cover image. At the first, the pixels of the image are selected to hiding the message; second complemented message will be hidden in LSB of selected pixels. In this paper, to solve some problems LSB method and minimize the changes, pixels categorized based on values of bits of second, third, fourth. In each category, ratio of changed pixels to unchanged pixels is calculated. If the ratio is greater than one, the LSB of that category are reversed and those changes reach at least. Mean Square Error and Peak Signal to Noise Ratio are two criterions to evaluate stego-image quality. PSNR and MSE of proposed method in comparison with simple LSB method, are respectively growth rate 0.13 percent and reduction rate 0.19 percent.

Keywords: steganography, pixel categorize, LSB, Confidentiality
Full-Text [PDF 4726 kb]   (676 Downloads)    
Type of Study: Scientific research | Subject: Special
Received: 2017/02/19 | Accepted: 2017/08/23 | Published: 2017/10/3
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fateh M, rajabloo S, alipour E. Review of Image Steganography Based on LSB and Pixel Classification and Providing a New Method in This Area. 3 2017; 5 (2) :63-71
URL: http://monadi.isc.org.ir/article-1-82-en.html

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Volume 5, Issue 2 (3-2017) Back to browse issues page
دوفصل نامه علمی ترویجی منادی امنیت فضای تولید و تبادل اطلاعات( افتا) Biannual Journal Monadi for Cyberspace Security (AFTA)
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