CT图像三维重建(附源码)

实现在matlab环境下的直线检测，效果很好，请大家试试。(Realize in the matlab environment linear detection, the effect of good, please try everyone.)

说明：  在MATLAB下实现的各种图像处理的算法(MATLAB susan implemente image processing)

empirical formula with kaiser clc clear all fs=1000 fc=250 df=50 r=0.001 f=fc/fs dw=2*pi*(df/fs) a=-20*log(r) n=floor(((a-8)/(2.285*dw))+1) if a>50 b=0.1102*(a-8.7) elseif a>=21 && a<=50 b=0.5842*((a-21)^0.4)+0.07886*(a-21) elseif a<21 b=0.0 end w=kaiser(n,b) for i=1:n if i~=(n-1)/2 hd(i)= (2*f*sin((i-((n-1)/2))*2*pi*f))/((i-((n-1)/2))*2*pi*f) elseif i==(n-1)/2 hd(i)=2*f end end for j=1:n h(j)=w(j)*hd(j) end subplot(3,1,1), plot(w) subplot(3,1,2), plot(h) subplot(3,1,3), plot(h,n)

QR二维码精定位，通过探测三个位置探测图形获得三个坐标，定位准确率90%左右。(QR code precise positioning, through the detection of 3 position detection patterns and then get 3 points, the recognition accuracy is about 90%.)

Tool read mp3 in MatLAB

a research based study on various image noise filters and denoise techniques

利用最小二乘法实现pi模型的离线辨识和在线辨识(Parameter identification of hysteresis PI model)

图像纹理分析的源代码，基于分形维数的图像纹理分析(Image texture analysis of source code, based on fractal dimension of image texture analysis)

Code in matlab about Huffman Codification.

[Matlab source code]encryption algorithm