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dwt-matLab-marking
提出了一种基于小波变换可抗击几何攻击算法。在水印嵌人
部分# 首先对宿主图像进行小波分解
、
嵌人水印, 再通过余弦变换求得该水印图像的一个特征向量, 利用该特征向量和水印
信息通过12 31 函数生成一个二值逻辑系列, 将该序列作为密钥/ 水印提取部分为# 对待测的图像进行小波变换, 再通过余
弦变换求得待测图像的一个特征向量, 利用该特征向量和密钥通过1 2 4 1 函数提取出水印。(Proposed based on wavelet transform algorithm can be against geometric attacks.# Watermark embedded in the first part of the host image wavelet decomposition, embedded watermark, and then through the cosine transform of the watermarked image obtained by a feature vector, using the feature vector and the watermark information through 1231 to generate a binary logic function series, the sequence as the key/watermark extraction part is# treated transform measured image, and then obtained through the cosine transform the image of a feature vector under test, using the feature vector and the key function by 1241 to extract the watermark .)
- 2011-05-15 23:25:27下载
- 积分:1
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zsylbq
本程序实现利用自适应滤波器进行系统辨识,效果良好。(This program implements an adaptive filter system identification, to good effect.)
- 2014-11-20 21:48:56下载
- 积分:1
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InTech-Biomass
This book is about Biomass.
- 2014-12-24 13:10:35下载
- 积分:1
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induction_motor
modeling induction motor. very easy to use
- 2010-10-01 22:36:12下载
- 积分:1
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untitled
参数为:载波频率f0为20MHz,采样频率为4倍f0,脉宽为1us ,脉冲周期为20us 。其中:(Parameters: carrier frequency f0 is 20MHz, the sampling frequency is 4 times f0, a pulse width of 1us, the pulse period is 20us. Of which:)
- 2013-10-05 19:50:28下载
- 积分:1
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MATLABwork
光学设计:半导体激光器动态特性计算,LED电流—电压特性曲线仿真,高斯光束透镜变换特性的分析,光波在介质面上反射折射仿真计算,平行平面腔模的迭代解法(Optical Design: semiconductor laser dynamics calculations, LED current- voltage characteristics simulation, transformation properties of Gaussian beam analysis of the lens, light refraction in the medium surface of the reflector simulation, parallel to the plane of the cavity mode iterative solution)
- 2011-10-19 17:39:45下载
- 积分:1
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gener
用遗传优化算法求解高次非线性方程组。代码中举例说明。(Optimization using genetic algorithm high nonlinear equations. Code example.)
- 2008-05-06 20:04:19下载
- 积分:1
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rda
雷达sar成像的距离多普勒算法的仿真测试,进行径向脉冲压缩的测试(range doppler algorithm test)
- 2012-09-27 12:34:13下载
- 积分:1
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zichengxu
说明: 信号产生的子程序以及系统单位脉冲响应序列长生子程序(Signal generated by the subroutine and the system unit impulse response sequence routines longevity)
- 2011-03-23 16:05:44下载
- 积分:1
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matlab_image_roadtest
AGV(自动导引车)路径识别系统的MATLAB实现,包括对图像进行灰度处理,阈值分割,二值化,开闭运算,边缘检测(AGV (automatic guided vehicles) MATLAB path to achieve recognition system, including gray-scale image processing, segmentation, thresholding, opening and closing operation, edge detection)
- 2010-05-20 15:33:11下载
- 积分:1