出版社:Academy & Industry Research Collaboration Center (AIRCC)
摘要:Image Steganography is a technique for securing the secret message using a cover image insuch a manner that the alterations made to the image are perceptually indiscernible. In thispaper a novel method for secret message hiding in color images is proposed. The message isencoded by extracting the RGB components of a color image. Run length encoding is performedon the data and insertion of the data in least significiant bits(LSB) of the pixel is guided bylinear congruential generator (LCG). A 3R-3G-2B LSB pattern is recommended for insertion ofthe data making the information more secure without bringing any significant distortions to theoriginal image. The experiments performed on various color images demonstrate the efficacy ofthe proposed algorithm in terms of PSNR of cover image and that of stego-image.