-
dwt
介绍基于DWT变换的数字水印的电子文档,并付matlab开发的源码(Introduction Based on DWT transform digital watermarking of electronic documents, and pay a matlab source development)
- 2008-02-26 16:21:03下载
- 积分:1
-
VistaRestoreTools1.0
denoise
In BayesShrink[5] we determine the threshold for
each subband assuming a Generalized Gaussian
Distribution(GGD) . The GGD is given by
GG¾ X ¯ (x) = C(¾ X ¯ )exp¡ [® (¾ X ¯ )jxj]¯ (6)
¡ 1 < x < 1 ¯ > 0, where
® (¾ X ¯ ) = ¾ ¡ 1
X [ ¡ (3=¯ )
¡ (1=¯ ) ]1=2
and
C(¾ X ¯ ) = ¯ ¢ ® (¾ X ¯ )
2¡ ( 1
¯ )
and ¡ (t) =
R1
0 e¡ uut¡ 1du.
The parameter ¾ X is the standard deviation and ¯
is the shape parameter It has been observed[5] that
with a shape parameter ¯ ranging from 0.5 to 1, we
can describe the the distribution of coefficients in a
subband for a large set of natural images.Assuming
such a distribution for the wavelet coefficients, we empirically
estimate ¯ and ¾ X for each subband and try
to find the threshold T which minimizes the Bayesian
Risk, i.e, the expected value of the mean square error.
- 2012-06-08 01:38:48下载
- 积分:1
-
My_DifferentGaussPyramidImage
基于Matlab的高斯差分金字塔图像产生程序,可直接输入一副图像,调用此函数就可以得到你所想要的所有金字塔图像。(Based on Matlab Difference of Gaussian pyramid image generation process can be directly input an image, calling this function you can get what you want all the pyramid image.)
- 2013-11-02 16:39:33下载
- 积分:1
-
finalA05_exo3
calculating the square root of A by Newton method
used to calculate the root of A by the method of Newton: usual and the modified method
- 2013-12-24 05:33:32下载
- 积分:1
-
R
说明: Plot of signal neural
- 2012-09-07 10:49:02下载
- 积分:1
-
Exp2TODonly
MATLAB simulation of group velocity dispersion in an optical fiber
- 2011-02-10 22:26:06下载
- 积分:1
-
ReverbEnhancement
reverberation enhancement program
- 2011-07-20 20:13:32下载
- 积分:1
-
tulusuanfa
图论算法,里边的内容包括最短路径,最小生成树,最大流,遍历的算法及详细讲解。(Graph algorithms, including inside the shortest path, minimum spanning tree, maximum flow, traversal algorithms and detailed explanation.)
- 2013-08-27 22:07:51下载
- 积分:1
-
Fuzzy-PID-report
模糊自适应PID控制的报告,后面带简单的程序,可以运行,就是抄的部分刘金琨的程序。不懂图的含义可以参考刘金琨的先进PID控制MATLAB仿真。(It s a simple report and simple simulink program about the Fuzzy-PID.)
- 2013-12-04 21:13:15下载
- 积分:1
-
dtc2.slx
dtc of pmsm with 12 sector
- 2015-04-14 01:19:42下载
- 积分:1