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xiaobobao
ch3=softt(h3,thr1 clear
clc
I=imread( lena512.bmp )
imshow(I)
I=double(I)
II=I+30*randn(size(I))
figure
imshow(II,[])
[a1,h1,v1,d1]=dwt2(II, sym8 )
[a2,h2,v2,d2]=dwt2(a1, sym8 )
[a3,h3,v3,d3]=dwt2(a2, sym8 )
sigma=median(abs(d1(:)))/0.6745
x=3*sigma
thr1=x*2^(-1) thr2=x*2^(-0.5) thr3=x 小波图像去噪( ch3=softt(h3,thr1 clear
clc
I=imread( lena512.bmp )
imshow(I)
I=double(I)
II=I+30*randn(size(I))
figure
imshow(II,[])
[a1,h1,v1,d1]=dwt2(II, sym8 )
[a2,h2,v2,d2]=dwt2(a1, sym8 )
[a3,h3,v3,d3]=dwt2(a2, sym8 )
sigma=median(abs(d1(:)))/0.6745
x=3*sigma
thr1=x*2^(-1) thr2=x*2^(-0.5) thr3=x )
- 2012-05-26 11:08:34下载
- 积分:1
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matlab
contains Rectifier circuits for both single phase and three phase with various types of switches, pulse generator input remains same for all, an additional circuit with an active filter which can be used to reduce harmonics if the pulses are given by a paticular procedure.
- 2013-02-03 20:45:46下载
- 积分:1
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312
It is again about modulation techniques
- 2009-12-20 23:33:02下载
- 积分:1
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tetadetecter
this simulation code can detect teta for active filter
- 2015-01-14 17:21:53下载
- 积分:1
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BEM
基于动量叶素理论建立的风力机叶片设计程序,主要用于计算轴向和周向诱导因子(Momentum blade element theory to establish a wind turbine blade design program, used to calculate the axial and circumferential inducible factor)
- 2021-03-23 16:09:15下载
- 积分:1
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detpi
matalab程序好用便捷,关于宏观经济,有增长,有波动研究。(matalab program easy to use and convenient, on the macro economy, there is growth, there are fluctuations in research.)
- 2009-09-12 16:27:43下载
- 积分:1
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newton_mejorado
metodo de aproximacion en matlab para ecuaciones, newton mejorado
- 2010-08-25 11:50:11下载
- 积分:1
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plot_Bezier
matlab例子,用来计算bezier曲线(matlab example, used to calculate the Bezier curve)
- 2008-12-18 09:44:40下载
- 积分:1
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Spline
Incorporating Prior Knowledge in Cubic Spline Approximation - Application to the Identification of Reaction Kinetic Models(Incorporating Prior Knowledge in Cubic Sp Approximation line-Application to the Identi fication of Reaction Kinetic Models)
- 2007-05-20 21:04:11下载
- 积分:1
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seg-ijcv[1]
Graph-Based Segmentation 是经典的图像分割算法,该算法是基于图的 贪心聚类 算法,实现简单,速度比较快,精度也还行。(Graph based Segmentation is a classical image Segmentation algorithms, the algorithm is Based on the figure of greedy clustering algorithm, speed is faster, and easy to implement precision is also ok.)
- 2015-04-09 09:34:11下载
- 积分:1