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hdjm
- 抽取子图像: 通过一个随机混沌标签序列从原图像中抽取 对子图像加密:小波变换 ,在高频部分加密 重构原图,把加密好的子图像重新放回到原图像中 -from sub-images : a random chaotic sequence label from the original image from a tradition image encryption : wavelet transform, the high-frequency part of remodeling the
MultiprotocolRFIDreaderdesignedhighfrequency
- 多协议高频电子标签读写器设计,本人自己搜索到的资料与大家分享,共同学习,里面说的很详细。-Multi-protocol high-frequency tag reader design, I search for information on their own to share, learn together, which made it very detailed.
xiaobosoundsignal
- 对原始图像在水平方向和垂直方向与2个滤波器(低通、高通)相卷积,可以得到4块面积为原图像1/4的子图,分别为水平方向低频和垂直方向低频(HH)、水平方向低频和垂直方向高频(HG)、水平方向高频和垂直方向低频(GH)、水平方向高频和垂直方向高频(GG)。-The original image in the horizontal direction and vertical direction and two filters (low pass, high pass) with convolutio
text_1
- 该程序针对图像近似系数和高频系数进行加密,以达到加密的效果(The program encrypts the image approximation coefficient and the high frequency coefficient to achieve the encrypted effect.)