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DCT
实现图像的DCT高通、低通滤波器并与傅里叶变换做比较.有图可见,经DCT低通滤波后,图像变得很模糊。因为DCT是FFT取其实部,能量减少,因此图像变得很模糊,没有经FFT滤波后的效果好。
经DCT高通滤波后的图像:
经DCT高通滤波后,图像的低频部分被滤除掉,图像变黑,只有边缘的痕迹可见。
(The DCT of image high-pass, low pass filter and compared with the Fourier transform.)
- 2011-10-19 19:30:31下载
- 积分:1
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release51protected
这是一个用MATLAB做的指纹图像,希望对大家有用(This is a use MATLAB to do the fingerprint image, in the hope that useful)
- 2007-12-13 10:08:08下载
- 积分:1
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最短路
说明: 利用floyd,ford,dijikstra算法求解图论中的最短路问题(Using Floyd, Ford, Dijkstra algorithm to solve the shortest path problem in graph theory)
- 2020-12-13 09:12:08下载
- 积分:1
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fft_test
FFT程序,在做OFDM时是必要的模块,很有用,在matlab上仿真实现。(FFT program, is necessary when doing OFDM module useful in matlab Simulation.
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- 2011-07-07 20:04:10下载
- 积分:1
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neural-network-analysis-of-43-cases
MATLAB神经网络43个案例分析 优秀畅销书 王小川等(MATLAB neural network analysis of 43 cases outstanding bestseller)
- 2015-03-12 14:40:18下载
- 积分:1
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MATLAB_FFT
用matlab编写的实现FFT算法的程序,可以用来计算任意长度的FFT。(Achieved with the FFT algorithm written in matlab program that can be used to calculate any length of FFT.)
- 2010-10-17 14:31:16下载
- 积分:1
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expdist
利用逆转换法,用均匀分布随机数产生指数随机数的数学实验,并绘制直方图检验效果,有兴趣的matlab初学者不妨看看,直方图绘制方法可推广借鉴(mathematical experiment: using a random number to create exp distributed random index number, and drawing the histogram test the effect, catering to interested matlab beginner.)
- 2012-07-12 10:29:06下载
- 积分:1
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withoutsatcom
without dstatcom. here non linear load and star connected loads are used to generate the harmonics
- 2012-09-22 16:51:27下载
- 积分:1
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遗传算法加BP神经网络
实现遗传算法GA和BP神经网络的最优化问题(Realization of genetic algorithm GA and BP neural network optimization problem)
- 2020-06-28 23:40:02下载
- 积分:1
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scattyered
scattered parameter estimation matlab code
- 2009-10-25 02:05:13下载
- 积分:1