Least Significant Bit and Discrete Wavelet Transform Algorithm Realization for Image Steganography Employing FPGA
Автор: Kalpana Sanjay Shete, Mangal Patil, J. S. Chitode
Журнал: International Journal of Image, Graphics and Signal Processing(IJIGSP) @ijigsp
Статья в выпуске: 6 vol.8, 2016 года.
Бесплатный доступ
Steganography is the science that deals with conveying secret information by embedding into the cover object invisibly. In steganography, only the authorized party is aware of the existence of the hidden message to achieve secret communication. The image file is mostly used cover medium amongst various digital files such as image, text, audio and video. The proposed idea of this research work is to develop the robust image steganography. It is implemented using Least Significant Bit and Discrete Wavelet Transform techniques for digital image signal to improve the robustness & evaluate the performance of these algorithms. The parameters such as mean square error (MSE), bit error rate (BER), peak signal to noise ratio (PSNR) and processing time are considered here to evaluate the performance of the proposed work. In the proposed system, PSNR and MSE value ranges from 42 to 46 dB and 1.5 to 3.5 for LSB method respectively. For DWT method these results are further improved as it gives higher PSNR values between 49 to 57 dB and lower MSE values 0.2 to 0.7.
Discrete Wavelet Transform, Field Programmable Gate Array, Image Steganography, LSB Replacement, Security
Короткий адрес: https://sciup.org/15013987
IDR: 15013987
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