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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
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search
改进型的蚁群算法,能够快速求解多目标规划(Improved ant colony algorithm, fast multi-objective planning)
- 2011-10-15 20:29:54下载
- 积分:1
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2007_Source-localization
IEEE TRANSACTIONS ON SIGNAL PROCESSING定位与跟踪经典文献“Source Localization Using TDOA and FDOA Measurements in the Presence of Receiver Location Errors: Analysis and Solution”的Matlab程序。进行信号源被动定位与跟踪研究的童鞋可下载进行学习研究。(IEEE TRANSACTIONS ON SIGNAL PROCESSING positioning and tracking classic literature " Source Localization Using TDOA and FDOA Measurements in the Presence of Receiver Location Errors: Analysis and Solution" in Matlab.)
- 2011-11-28 10:14:31下载
- 积分:1
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RDRadar
采用的是RD算法实现合成孔径雷达成像,距离-多普勒RDA二维成像仿真(RD algorithm is used in synthetic aperture radar imaging, range- Doppler two-dimensional imaging simulation RDA)
- 2010-07-14 19:37:24下载
- 积分:1
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toolbox
一个用MATLAB编写的优化控制工具箱,非常实用(a prepared using MATLAB Toolbox optimal control, very practical)
- 2005-06-29 09:43:22下载
- 积分:1
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Main
this is the code which I ve tested, but it didn t work..
- 2010-02-05 00:43:52下载
- 积分:1
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naivebayes
这是以Iris数据集为例,用朴素bayes方法分类的程序.matlab编程(This is the Iris data set as an example, using the simple bayes methods of classification procedure. Matlab programming)
- 2009-07-10 14:55:57下载
- 积分:1
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matlab-simulink
matlab-simulink仿真软件学习教材(matlab-simulink simulation software, learning materials)
- 2012-08-13 23:36:39下载
- 积分:1
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OFDM_TEST
this matlab code about testing ofdm
- 2011-11-04 01:01:59下载
- 积分:1
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knn
利用KNN最近邻算法,对心音信号进行分割并判断,给出第一心音、第二心音和收缩期、舒张期。(Use KNN nearest neighbor algorithm, the heart sound signal is divided and judgment is given first, second heart sound and systolic, diastolic.)
- 2014-01-30 17:39:35下载
- 积分:1