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一种使用时空结构的盲源分离算法，使用matlab实现( An Approach to Blind Source Separation Based on Temporal Structure of Speech Signals ica_matlab)

Matlab implementation of ID3 and NaiveBayes classifier. It also includes example dataset as well.

混沌与分形理论是最新兴起的金融市场理论，这是混沌与分形分析的例程，需要的请自行下载(chaos and fractal theory is the latest emerging financial market theory, which is chaotic and fractal analysis routines. Requests need to download)

简要说明了matlab中simulink模块的使用方法。(Briefly describe the matlab simulink module in use.)

说明：  matlab的一些常用算法(包括遗传算法等常用算法）(matlab some commonly used algorithms (including genetic algorithms and other commonly used algorithms))

The aim of this program is to calculate condition for the confined energies in the any-shaped double-well structures in the electric field

fft，本代码主要介绍fft的主要步骤，非常简单有很明了，非常适合阅读 (FFT, the code describes the main steps of FFT are very clear, very simple, very suitable for reading)

M=512 原图像长度 N=64 K=8 I=zeros(M,M) J=zeros(N,N) BLOCK=zeros(K,K) 显示原图像 I=imread( f:ceshiyuanshitu.bmp ) figure imshow(I) xlabel( 原始图像 ) 显示水印图像 J=imread( f:ceshilogistic_nuaa64.bmp ) figure imshow(J) xlabel( 水印图像 ) 嵌入水印 tem=1 for p=1:N for q=1:N x=(p-1)*K+1 y=(q-1)*K+1 BLOCK=I(x:x+K-1,y:y+K-1) BLOCK=dct2(BLOCK) if J(p,q)==0 a=-1 else a=1 end BLOCK(2,1)=BLOCK(2,1)*(1+a*0.01) BLOCK=idct2(BLOCK) I(x:x+K-1,y:y+K-1)=BLOCK end end 显示嵌入水印后的图像 figure imshow(I) xlabel( 嵌入水印后的图像 ) imwrite(I, f:ceshiembedded.bmp )

说明：   c语言与matlab接口：编程与实例，英文的，大家看看！(c language and matlab interface: Programming and examples, in English, you see!)

根据逆透视变换原理从交通图像中提取交通参数，可以根据图像的像素坐标计算实际路面的距离，计算车辆的位移，速度等参数(Extract traffic parameters from the traffic image according to the principle of inverse perspective transformation, the actual road distance can be calculated according to the coordinates of the image pixels, the calculation of the displacement of the vehicle speed and other parameters)