zhifangtu.zip_c 语言图像处理_c语言图像处理

#include "mainwindow.h" #include "ui_mainwindow.h" #include "opencv2/core/core.hpp" #include "opencv2/highgui/highgui.hpp" #include "opencv2/imgproc/imgproc.hpp" #include "opencv/cv.h" #include "math.h" #include <QDebug> #include <QDir> #include <QImage> #include <QString> #include <QFile> #include <iostream> #include <math.h> const double PI = 3.141592653; using namespace std; void grayImageEqualization(); void colorImageEqualization(); void graySmoothsuanzi(); void colorSmoothsuanzi(); void Laplacesuanzi(); void Fuliye(int u, int v); void SeeDate(); void firtest(); void exam(); IplImage* img = 0; IplImage* imgtest = 0; MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow) { ui->setupUi(this); //img = cvLoadImage("f:/zongx.jpg"); //img = cvLoadImage("f:/lena.jpg",CV_LOAD_IMAGE_GRAYSCALE); //cvNamedWindow("exam1"); //colorImageEqualization(); //grayImageEqualization(); //graySmoothsuanzi(); //colorSmoothsuanzi(); //Laplacesuanzi(); //int u = 60, v = 300; //Fuliye(u , v); //SeeDate(); //cvShowImage("exam1",img); firtest(); //exam(); } float LaplaceCore(uchar* p,int widthStep) { return 1.0 / 16 * (0 -*(p - 3 - widthStep) - *(p - widthStep) - *(p + 3 - widthStep) - *(p - 3) - *(p + 3) + *p * 8 -*(p - 3 + widthStep) - *(p + widthStep) - *(p + 3 + widthStep)); } void grayImageEqualization() { //IplImage* img = cvLoadImage("f:/121.jpg",CV_LOAD_IMAGE_GRAYSCALE); cvNamedWindow("exam",0); cvNamedWindow("exam2",0); cvShowImage("exam",img); const int GRAY_VALUE = 256; uchar* p = (uchar*)img->imageData; int GrayPoint[GRAY_VALUE] ={0}; int sumb = 0; //int RedPoint[GRAY_VALUE] = {0}; //int GreenPoint[GRAY_VALUE] = {0}; //int BluePoint[GRAY_VALUE] = {0}; for(int i = 0;i<(img->widthStep) * (img->height);i++) { GrayPoint[*p]++; p++; //BluePoint[*p++]++; //GreenPoint[*p++]++; // RedPoint[*p++]++; } for(int j = 0;j<GRAY_VALUE;j++) { //qDebug() <<j<< BluePoint[j] << GreenPoint[j] << RedPoint[j]; //qDebug() << GrayPoint[j]; sumb += GrayPoint[j]; } //qDebug() << "sumb" << sumb; int s[GRAY_VALUE] = {0}; int k = 0; double sum[GRAY_VALUE] ={0}; for(k = 0; k < GRAY_VALUE; k ++) { for(int y = 0;y <= k;y++) { sum[k] = sum[k] + GrayPoint[y]; } sum[k] = sum[k]/sumb; sum[k] = sum[k]*255; s[k] = cvRound(sum[k]); //qDebug() << sum[k]; } p = (uchar*)img->imageData; for(int i = 0;i<(img->widthStep) * (img->height);i++,p++) { for(k = 0; k < GRAY_VALUE; k ++) { //qDebug() << *p << k; //cvWaitKey(10); if(*p == k) { *p = s[k]; //qDebug() << s[k]; break; } } } cvShowImage("exam2",img); } void colorImageEqualization() { //IplImage* img = cvLoadImage("f:/2.jpg"); cvNamedWindow("exam4",0); cvShowImage("exam4",img); cvNamedWindow("exam3",0); const int GRAY_VALUE = 256; uchar* p = (uchar*)img->imageData; int sumb = 0; int sumg = 0; int sumr = 0; int RedPoint[GRAY_VALUE] = {0}; int GreenPoint[GRAY_VALUE] = {0}; int BluePoint[GRAY_VALUE] = {0}; for(int i = 0;i<(img->width) * (img->height);i++) { BluePoint[*p++]++; GreenPoint[*p++]++; RedPoint[*p++]++; } for(int j = 0;j<GRAY_VALUE;j++) { sumb += BluePoint[j]; sumg += GreenPoint[j]; sumr += RedPoint[j]; } int sb[GRAY_VALUE] = {0}; int sg[GRAY_VALUE] = {0}; int sr[GRAY_VALUE] = {0}; int k = 0; double sumbb[GRAY_VALUE] ={0}; double sumgg[GRAY_VALUE] ={0}; double sumrr[GRAY_VALUE] ={0}; for(k = 0; k < GRAY_VALUE; k ++) { for(int y = 0;y <= k;y++) { sumbb[k] = sumbb[k] + BluePoint[y]; sumgg[k] = sumgg[k] + GreenPoint[y]; sumrr[k] = sumrr[k] + RedPoint[y]; } sumbb[k] = sumbb[k]/sumb; sumgg[k] = sumgg[k]/sumg; sumrr[k] = sumrr[k]/sumb; sumbb[k] = sumbb[k]*255; sumgg[k] = sumgg[k]*255; sumrr[k] = sumrr[k]*255; sb[k] = cvRound(sumbb[k]); sg[k] = cvRound(sumgg[k]); sr[k] = cvRound(sumrr[k]); //qDebug() << sb[k] << sg[k] << sr[k]; } p = (uchar*)img->imageData; for(int i = 0;i<(img->widthStep) * (img->height);i++) { for(k = 0; k < GRAY_VALUE; k ++) { //qDebug() << *p << k; //cvWaitKey(10); if(*p == k) { *p = sb[k]; p++; //qDebug() << s[k]; break; } if(*p == k) { *p = sg[k]; p++; //qDebug() << s[k]; break; } if(*p == k) { *p = sr[k]; p++; //qDebug() << s[k]; break; } } } cvShowImage("exam1",img); } void graySmoothsuanzi() { //IplImage* img = cvLoadImage("f:/test.jpg",CV_LOAD_IMAGE_GRAYSCALE); //cvNamedWindow("exam6"); //cvShowImage("exam6",imgtest); //cvNamedWindow("exam5"); uchar* m = (uchar*)imgtest->imageData; for(int i = 1;i < imgtest->height - 1;i++) for(int k = 1;k < imgtest->widthStep - 1;k++) { uchar *p = m + i * imgtest->widthStep + k; float v = 1.0 / 16 * (*(p - 1 - img->widthStep) + *(p - img->widthStep) * 2 + *(p + 1 - img->widthStep) + *(p - 1) * 2 + *(p + 1) * 2 + *p * 4 + *(p - 1 + img->widthStep) + *(p + img->widthStep) * 2 + *(p + 1 +img->widthStep)); *p = (uchar)v; } cvShowImage("exam5",imgtest); } void colorSmoothsuanzi() { //IplImage* img = cvLoadImage("f:/lena.jpg"); cvNamedWindow("exam6"); cvShowImage("exam6",imgtest); cvNamedWindow("exam5"); uchar* m = (uchar*)img->imageData; for(int i = 1;i < img->height - 1;i++) for(int k = 1;k < img->width - 1;k++) { uchar *p = m + i * img->widthStep + k*3; float v = 1.0 / 16 * (*(p - 3 - img->widthStep) + *(p - img->widthStep) * 2 + *(p + 3 - img->widthStep) + *(p - 3) * 2 + *(p + 3) * 2 + *p * 4 + *(p - 3 + img->widthStep) + *(p + img->widthStep) * 2 + *(p + 3 +img->widthStep)); *p = (uchar)v; //qDebug() << v; p++; v = 1.0 / 16 * (*(p - 3 - img->widthStep) + *(p - img->widthStep) * 2 + *(p + 3 - img->widthStep) + *(p - 3) * 2 + *(p + 3) * 2 + *p * 4 + *(p - 3 + img->widthStep) + *(p + img->widthStep) * 2 + *(p + 3 +img->widthStep)); *p = (uchar)v; //qDebug() << v; p++; v = 1.0 / 16 * (*(p - 3 - img->widthStep) + *(p - img->widthStep) * 2 + *(p + 3 - img->widthStep) + *(p - 3) * 2 + *(p + 3) * 2 + *p * 4 + *(p - 3 + img->widthStep) + *(p + img->widthStep) * 2 + *(p + 3 +img->widthStep)); *p = (uchar)v; //qDebug() << v; } cvShowImage("exam2",img); // IplImage* r = cvCreateImage(cvSize(img->width,img->height),img->depth,1); // IplImage* g = cvCreateImage(cvSize(img->width,img->height),img->depth,1); // IplImage* b = cvCreateImage(cvSize(img->width,img->height),img->depth,1); // cvSplit(img,r,g,b,NULL); // cvNamedWindow("r",0); // cvNamedWindow("g",0); // cvNamedWindow("b",0); // cvShowImage("r",r); // cvShowImage("g",g); // cvShowImage("b",b); // cvWaitKey(0); } void Laplacesuanzi() { //IplImage* img = cvLoadImage("f:/lena.jpg"); cvNamedWind