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Secret message capacity and stego image quality are the two important measures for stenography. In this paper, a high hiding capacity and acceptable stego image quality steganographic scheme is proposed based on multi-bit encoding function. Using our method, the embedding capacity is as high as 4.5bpp (with acceptable stego image quality, i.e., PSNR better than 30dB). There are two major contributions...
The hidden secret message capacity, stego-image quality and security are three important conditions for data hiding technology. According to these requirements, an effective security protection with high hiding capacity steganographic method based on general multi-EMD is proposed in this paper. The major contribution of this method is not to need more complicated embedded steps when the secret data...
Both Data hiding and data compression are very important technologies in the field of image processing. It seems that there is no relationship between data hiding and data compression because most of the data hiding mechanisms focus on information security and the data compression mechanisms emphasize the compression ratio. In fact, they are closely related. Until now, there are many literatures to...
Data hiding is one of the most important strategies on the field of data security; the main purpose of data hiding is to disguise the secret information and put them behind a cover image to make them unnoticeable and to assure the secrecy as a stego-image. Besides safety, the quantity of data that can be hidden in a single cover image is also very important to the data encryption. In this paper, we...
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