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matlab
y3k=fft(u,(m+n-2)/4)
i=1:(m+n-2)/4
subplot(5,2,9) stem(i,u)
title( 滤波后上采样 )
k=1:(m+n-2)/4
subplot(5,2,10) stem(k,y3k)
title( 上采样频谱 )
xlabel( k ) ylabel( y3k ) (y3k = fft (u, (m+ n-2)/4) i = 1: (m+ n-2)/4 subplot (5,2,9) stem (i, u) title (after filtering the sample) k = 1: (m+ n-2)/4 subplot (5,2,10) stem (k, y3k) title (on the sample spectrum) xlabel (k) ylabel (y3k))
- 2009-01-06 13:09:09下载
- 积分：1
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chap3
程序代码说明
P0301：数字图像矩阵数据的显示及其傅立叶变换
P0302：二维离散余弦变换的图像压缩
P0303：采用灰度变换的方法增强图像的对比度
P0304：直方图均匀化
P0305：模拟图像受高斯白噪声和椒盐噪声的影响
P0306：采用二维中值滤波函数medfilt2对受椒盐噪声干扰的图像滤波
P0307：采用MATLAB中的函数filter2对受噪声干扰的图像进行均值滤波
P0308：图像的自适应魏纳滤波
P0309：运用5种不同的梯度增强法进行图像锐化
P0310：图像的高通滤波和掩模处理
P0311：利用巴特沃斯（Butterworth）低通滤波器对受噪声干扰的图像进行平滑处理
P0312：利用巴特沃斯（Butterworth）高通滤波器对图像进行锐化处理(Code Description
P0301: digital image data display matrix and Fourier transform
P0302: Two-dimensional discrete cosine transform image compression
P0303: gray-scale transformation method using the contrast enhanced image
P0304: Histogram of homogenization
P0305: simulated images by Gaussian white noise and salt and pepper noise of
P0306: two-dimensional median filter function medfilt2 on the image noise by filtering salt and pepper
P0307: using MATLAB in the function filter2 noise on the image by mean filter
P0308: Image Adaptive Weiner Filter
P0309: the use of 5 different gradient enhanced image sharpening method
P0310: the image of the high-pass filter and mask treatment
P0311: Using Butterworth (Butterworth) low pass filter the image noise by smoothing
P0312: Using Butterworth (Butterworth) high pass filter sharpening the image)
- 2010-05-17 18:20:35下载
- 积分：1
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cyclic
it is a matlab code for cyclic search in non linear programming.
- 2012-07-25 19:36:44下载
- 积分：1
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QRSTutorial
The Principles of
Software QRS Detection
- 2010-05-17 17:07:04下载
- 积分：1
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CS
说明： 关于压缩感知在雷达成像中的应用的一篇论文，(compressed sensing)
- 2011-12-05 11:11:17下载
- 积分：1
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NINE
Matlab教程第七章案例，面板数据分析、计量(Matlab Guide Chapter VII of the case, panel data analysis, measurement)
- 2013-07-20 10:06:26下载
- 积分：1
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snake_demo
this demo provide to better understanding GVF Snake
- 2010-01-01 11:17:25下载
- 积分：1
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EKF--IEKF--and-UKF-Project
EKF, IEKF, and UKF算法在matlab中的实现(EKF, IEKF, and UKF method implementation)
- 2011-05-29 15:56:38下载
- 积分：1
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prediction-and-distinction
使用MATLAB完成灰色预测，fisher 判别，以及距离判别(Done using MATLAB Grey, fisher discriminant and distance criterion)
- 2011-04-27 17:45:39下载
- 积分：1
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code-(3)
MATLAB CODE FOR IMAGE ARITHMATIC
- 2015-02-04 13:51:03下载
- 积分：1
