image steganography Using DWT
2016-08-23
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Steganographyis a one of the technique for information hiding. With the help ofsteganography people can communicate secretly. It involves communicating secretdata in an appropriate multimedia carrier such as Text, Image, audio, and videofiles. The main motive of steganography is to ensure that the transmittedmessage is completely hidden inside the cover signal, and thereby ensuring that the message isaccessible only by the intended receiverand not by any intruders or unauthorized parties. The main purpose of thisresearch is to propose a novel and secure high-capacity image steganographytechnique with the help of wavelet transform with acceptable levels of imperceptibility and high level of overall security.
matlab
图像
dwt
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