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Pudn
A filter bank structure that can deal effectively with piecewise smooth images with smooth contours, was proposed by Minh N Do and Martin Vetterli. The resulting image expansion is a directional multiresolution analysis framework composed of contour segments, and thus is named contourlet. This will overcome the challenges of wavelet and curvelet transform. Contourlet transform is a double filter bank structure. It is implemented by the pyramidal directional filter bank (PDFB) which decomposes images into directional subbands at multiple scales. In terms of structure the contourlet transform is a cascade of a Laplacian Pyramid and a directional filter bank. In essence, it first use a wavelet-like transform for edge detection, and then a local directional transform for contour segment detection. The contourlet transform provides a sparse representation for two-dimensional piecewise smooth signals that resemble images.
- 2013-03-11 17:11:17下载
- 积分：1
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CS_MRI
文件主要是对利用压缩感知对MRI进行数据重构，重构方式是基于全变分共轭梯度法(the folder contains some Matlab codes used for applying compressed sensing(CS) in MRI. morever, these codes are based on BP-TV.)
- 2014-12-18 22:08:13下载
- 积分：1
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twoDomp
基于L阵的二维信号稀疏分解的DOA估计 应用稀疏分解方法进行二维DOA估计(Estimation sparse decomposition method based on two-dimensional signal-dimensional DOA estimation of sparse matrix decomposition L DOA)
- 2014-01-06 17:20:07下载
- 积分：1
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LDPC
ldpc码通过瑞利衰落信道功能分析BPSK 调制解调(LDPC MATLAB)
- 2021-03-13 09:29:25下载
- 积分：1
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tecdemo
GPS TEC计算MATLAB代码，来自东京大学TOMOJI教授(GPS TEC calculation of MATLAB code, from the University of Tokyo professor TOMOJI)
- 2010-11-27 18:27:13下载
- 积分：1
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Dtlb
采用基于理想频谱响应的微分器，用于位置微分速度，并统计误差(The differentiator response based on an ideal spectrum for position differential speed, and the statistical error)
- 2013-03-20 22:57:34下载
- 积分：1
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sefaz-induction
3phase fault in induction motor
- 2012-07-29 14:47:27下载
- 积分：1
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fdm
it is an ofdm simulation in simulink 2009b
- 2010-06-24 20:14:19下载
- 积分：1
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edgeSimulation
在提取出图像边缘后，进行图像的边缘拟合时使用(In the extracted edge image after image of the edge of the use of fitting)
- 2009-05-26 18:46:27下载
- 积分：1
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imageBin
图像转换成二进制序列、二进制序列还原成图像MatlaB自编源代码(Image is converted into binary sequences, binary sequence to restore self-compiled source code into an image MatlaB)
- 2021-02-06 21:19:56下载
- 积分：1
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