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vortex beam
matlab程序，产生涡旋光束，光强以及相位图，在科研上很有用，简单快速。(The matlab program produces vortex beams, light intensities, and phase diagrams, which are useful, simple, and fast in scientific research.)
- 2017-08-31 15:49:16下载
- 积分：1
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ImageQualityMeasures
MATLAB源码，使用多种算法进行图像质量评价(MATLAB source code, using a variety of algorithms for image quality evaluation)
- 2021-04-17 21:58:52下载
- 积分：1
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能量检测法源代码
能量检测法是一种比较简单的信号检测方法[1]， 属于信号的非相干的检测， 直接对时域信号采样值求模，然后平方即可得到；或利用FFT转换到频域，然后对频域信号求模平方也可得到。它无需知道检测信号的任何先验知识，对信号类型也不作限制。
实际上，能量检测是在一定频带范围内作能量积累，如果积累的能量高于一 定的门限，则说明信号的存在；如果低于一定的门限，则说明仅有噪声。能量检 测的出发点是信号加噪声的能量大于噪声的能量。能量检测方法对信号没有作任何假设，是一种盲检算法。
此代码“利用FFT转换到频域，然后对频域信号求模平方”方法来实现对用户的检测。(In fact, energy detection is used for energy accumulation in a certain frequency range. If the accumulated energy is higher than a certain threshold, the existence of the signal is indicated. If the threshold is lower than the threshold, then only noise is indicated. The starting point of energy detection is that the energy of signal plus noise is greater than that of noise. The energy detection method does not make any assumptions about the signal, and it is a blind detection algorithm.
This code "converts the frequency domain into the frequency domain by FFT, then calculates the square of the square of the frequency domain signal" to realize the detection of the user.)
- 2021-04-29 16:18:42下载
- 积分：1
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resection
本代码主要关于摄影测量中的单向空间后方交会(resection of photogrammetry)
- 2013-11-11 21:49:56下载
- 积分：1
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频域滤波器
说明： 频域滤波器器的一些相关实验和滤波器的实现（包括理想低通，Butterworth低通，高斯低通，理想高通，Butterworth高通，高斯高通滤波器）(Some related experiments of frequency-domain filter and Realization of filter (including ideal low-pass, Butterworth low-pass, Gauss low-pass, ideal high pass, Butterworth high pass, Gauss high pass filter))
- 2020-04-21 12:16:54下载
- 积分：1
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PCA1
pca算法，用于数据降维，注释非常详细清晰，(PCA algorithm, for data dimensionality reduction, clear and very detailed notes,)
- 2008-08-25 16:55:46下载
- 积分：1
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fencha
编写分叉图的计算程序；
选择一个混沌区的控制参量a，并编写时域波形的计算程序(Bifurcation diagram of the preparation program
Choose a zone of chaos control parameter a, and the preparation of time-domain waveform of the calculation program)
- 2021-03-30 17:39:10下载
- 积分：1
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graphcuts
说明： 简单的graph cut 算法，初学者适合(Simple graph cut algorithm for beginners)
- 2020-09-14 16:57:56下载
- 积分：1
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colortest
对两幅RGB图像提取模糊颜色直方图进行比较，直接运行colortest就可得出结果
(RGB images of the two fuzzy color histogram to compare directly the results can be run colortest)
- 2008-04-23 12:05:47下载
- 积分：1
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Granulate
说明： 颗粒粗化源码，将马赛克现象认为的作用于一副图像，称之为颗粒粗化。可以用来建立图像切换效果(source of coarse particles, that the phenomenon will mosaics in the role of an image, known as particle coarsening. Images can be used for switching effects)
- 2006-03-20 21:07:05下载
- 积分：1
