【摘 要】
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Numerous steganography algorithms have been proposed to protect messages put into images.LSB,which is an exceedingly prominent means in this field,has been
【出 处】
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第十一届图像图形技术与应用学术会议(IGTA2016)
论文部分内容阅读
Numerous steganography algorithms have been proposed to protect messages put into images.LSB,which is an exceedingly prominent means in this field,has been proven to work if the least significant bit of the cover image is replaced with the binary secrets stream.Inspired by LSB,a series of simple but effective methods were proposed,such as LSB-MR,EMD(exploiting modification direction),Sudoku,EMD-2,Turtle Shell,and so on.Nonetheless,an image steganography with larger payload is tremendously needed nowadays.A novel high capacity image data hiding algorithm based on extended EMD-2 and Sudoku hybrid reference matrix is proposed in this study.In this method,each cover pixel pair carries two secret 9-ary notational system numbers.The experiment result shows the embedding rate of the method is up to 3.16 bpp,which is higher than the related schemes and the visual quality desired.
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