Dsp Tian

摘要： clear all;close all;clc;img=imread('lena.jpg');imshow(img);phi=pi/2;theta=2;sigma=0.65*theta;filterSize=6;G=zeros(filterSize);for i=(0:filterSize-1)/filterSize for j=(0:filterSize-1)/filterSize xprime=j*cos(phi); yprime=i*sin(phi); K=exp(2*pi*theta*sqrt(-1)*(xprime+yprime)); ... 阅读全文

摘要： clear all;close all;clc;img=imread('saber9.jpg');img2=imread('saber2.jpg');imshow(img)figure,imshow(img2);tmp=rgb2gray(img);tmp2=rgb2gray(img2);img_re=imresize(tmp,[8 8]);img_re2=imresize(tmp2,[8 8]);img_re=uint8(double(img_re)/4);img_re2=uint8(double(img_re2)/4);me=mean(mean(img_re) 阅读全文

摘要： #include <windows.h>#include <process.h> /* _beginthread, _endthread */#include <iostream>#include <fstream>#include <string>using namespace std;ofstream out("out.txt");void ThreadFunc1(PVOID param){ while(1) { char *p; p=(char *) param; Sleep(10); out<< 阅读全文

摘要： clear all; close all; clc; img1=imread('Corner.png'); img2=imread('Corner1.png'); img3=imread('Corner2.png'); [height width]=size(img2); a=reshape(img 阅读全文

摘要： send.cpp:#include <WinSock2.h>#include <stdio.h>#include <Windows.h>#pragma comment(lib,"ws2_32.lib")int main(){ unsigned long ip; ip=inet_addr("127.0.0.1"); short port; port=8000; printf("Connecting to 127.0.0.1:8000...."); WSADATA wsa; if (WSAStartup 阅读全文

摘要： close all; clc; H=1; %索引pix中第一个元素，即高度 W=2; %索引pix中第二个元素，即宽度 left_right=0.3; %抬起左边或右边时值为0-1之间，不抬起时为0 up_down=0; %抬起上边或下边时值为0-1之间，不抬起时为0 img=imread('len 阅读全文

摘要： close all; clear all; clc; img=imread('rice.png'); imshow(img); [m n]=size(img); tmp=zeros(m+2,n+2); tmp(2:m+1,2:n+1)=img; Ix=zeros(m+2,n+2); Iy=zeros 阅读全文

摘要： close all;clear all;clc;img=imread('pic.bmp');imshow(img);[m n]=size(img);re=zeros(m,n);tmp=zeros(m+2,n+2);tmp(2:m+1,2:n+1)=img;for i=2:m+1 for j=2:n+ 阅读全文

摘要： (defun re(n) (setf len (length n)) (if (oddp len) (setf mid (/ (1+ len) 2)) (setf mid (/ len 2))) (or (and (oddp len) (equal (subseq n 0 (1- mid)) (reverse (subseq n mid)))) (and (evenp len) (equal (subseq n 0 mid) (reverse (subseq n mid)))))) 阅读全文

摘要： close all;clear all;clc;img=imread('1.jpg');imshow(img);[m n]=size(img);img_re=zeros(m,n);tmp=zeros(8,8);for i=1:8:m for j=1:8:n tmp=mc(img(i:i+7,j:j+7)); img_re(i:i+7,j:j+7)=tmp; endendfigure,imshow(uint8(img_re));figure,imshow(histeq(img));%{a=[238 238 236 237 236 228 227 234;... 阅读全文