tuxiangqiufanquzao

nca,近邻成分分析，距离度量学习里常用的。(nca)

将灰度图像装换成rgb图像的Matlab实现(transfer the gray image to rgb one)

根据输入的色坐标自动计算出色域,并标注在CIE-1931色度图上.(Automatically calculate based on the input color coordinates of the gamut, and marked in the CIE-1931 chromaticity diagram.... )

极易分词源码包,好用最新版本,双向匹配分词(vulnerable segmentation source package, the latest version easier to use, two-way matching word)

说明：  扩散映射置乱与超混沌系统组合图像加密算法 扩散映射置乱与超混沌系统组合图像加密算法(Combi ned i mage encryption a lgor ithm ba sed on di ffusi on mapped disorder and hyperchaoti c system s)

主要是对图像的某一部分，做一条线的剖分，然后显示这条线上所有RGB的颜色值(A section of a line is made mainly for a part of the image, and then the color value of all RGB on this line is displayed.)

基于大津法和迭代法的图像二值化程序，相当于利用该方法进行了图像的分割，源码已调试，很好使！(Based on the Otsu method and iterative method of image binarization procedure is equivalent to using the method of image segmentation, source code has been debugging, very good to make!)

FPGA实现二维傅里叶变换，语言用的是VHDL,有仿真文件(FPGA to achieve two-dimensional Fourier transform, the language used is VHDL, there are simulation files.)

心电信号去噪，主要针对的是基线漂移噪声,肌电噪声和工频干扰 (Is mainly targeted at the baseline wander and power line interference, noise)

说明：  my_noise文件是已知信号方差，加入信号噪声，可以加入高斯噪声，淑盐噪声,等其他噪声十分有用 其他两个函数时加入噪声信噪比SNR,但是有一点,这种方法并不准确,不能保证加入噪声信噪比为SNR,实际测试中可以看出,但是可以加入相同的信噪比的噪声(my_noise document is known to signal variance, by adding signal noise, Gaussian noise can be added, suk salt noise, noise, and other very useful function when the other two noise signal to noise ratio SNR, but there is one point, this method is not accurate , can not be guaranteed by adding the noise signal to noise ratio for the SNR, the actual test can be seen, but can join the same noise signal to noise ratio)