On The Basis of Wavelet Transform Signature Message Hide Arithmetic
Fen Tan · Heilongjiang Bayi Nongken Daxue xuebao · 2003
The password encryption has got extensive application, with the increase of the speed of the computer, encrypt on the basis of information of password has been no more safer already, and has been developed rapidly on the basis of the data encryption method of hiding technology of the information. This text research vary on the basis of 2D-DWT and information that password study hide arithmetic, encode to sign information hide in diagonal area of 2D-DWT, reduce the picture small to original picture influence, it can use in document currency and of the digital watermark.