opencv

#include
#include
#include <opencv2/core/core.hpp>
#include <opencv2/highgui/highgui.hpp>
#include <opencv2/imgproc/imgproc.hpp>
#include
#include

#include <stdlib.h>
using namespace std;
using namespace cv;

int bSums(Mat src)
{

int counter = 0;
//迭代器访问像素点
Mat_<uchar>::iterator it = src.begin<uchar>();
Mat_<uchar>::iterator itend = src.end<uchar>();
for (; it!=itend; ++it)
{
    if((*it)>0) counter+=1;//二值化后，像素点是0或者255
}
return counter;

}

vector Flip(Mat &img)
{
int rows=img.rows;
int cols=img.cols;

vector<int> vec;
vector<int> abs;
vector<int> vec_i;
int k=0;
for(int i=10; i<cols; i=i+5)
{


        Mat temp(img(Rect(i,0,10,rows)));
        Mat result;
        threshold(temp, result, 80, 255, CV_THRESH_BINARY);

        int a = bSums(result);    //guangcha


        vec.push_back(a);
        int b=vec[k-1];

        int c;
        c=a-b;
        if(c<0)
        {
            c=-c;
        }

        if(c>5)
        {
         abs.push_back(i);
        }

        if(i+15>cols)
        {
            break;

        }
        k=k+1;
}
return abs;

}

void roi(Mat src,int x1,int y1,int x2,int y2,int d)
{
// Mat temp(src(Rect(x1,y1-d,x2,y2+d)));;
// rectangle(src, (x1,y1),(x2,y2), Scalar(0, 255, 0), 2);
Rect roi = Rect(Point(x1, y1), Point(x2, y2));
Mat roiImg = src(roi);
imshow(“new”,roiImg);
waitKey(0);
}
int main(int argc, char *argv[])
{
QCoreApplication a(argc, argv);
// static int num=0;
// static int right;
// static int left;
// vector sequence;
// vector eq;
// vector point1;
// vector point2;

Mat src1 = imread( "/home/zyx/Downloads/626900593.jpg" );

// Mat result;
// threshold(src1, result, 80, 255.0, THRESH_TOZERO);

// sequence=Flip(src1);
// sequence.erase(sequence.begin());

// //访问该vector的值的时候，也是直接访问即可
// for(vector::iterator it=sequence.begin();it!=sequence.end();it++)
// {

// int a=*(it-1);
// int b=*it;
// if(b-a>10)
// {
// eq.push_back(b);

// }
// }

// for(int i=0;i<eq.size();i++) // push_back(elem)在数组最后添加数据
// {
// int static right,left;
// //cout<<eq[i]<<",";
// if(i % 2 == 0){
// right=eq[i];
// }else{
// left=eq[i];
// cout<<right<<" ,"<<left<<endl;
// rectangle(result,cvPoint(right, 0),cvPoint(left, 50),Scalar(255,255,0),1,1,0);
// }

// }
// imshow(“二值化图像”, result);
// waitKey(0);
roi(src1,0,0,800,430,10);
cout<<src1.rows<<endl;
cout<<src1.cols<<endl;
return 0;
return a.exec();
}

#include <cv.h>
#include <highgui.h>
#include <stdio.h>
#include
#include <stdlib.h>
IplImage* src=0;
void on_mouse( int event, int x, int y, int flags, void* ustc)
{
CvFont font;
cvInitFont(&font, CV_FONT_HERSHEY_SIMPLEX, 0.5, 0.5, 0, 1, CV_AA);//字体结构初始化

if((event == CV_EVENT_LBUTTONDOWN)&&(flags))//鼠标左键按下事件发生
{
    CvPoint pt = cvPoint(x,y);//获取当前点的横纵坐标值
    char temp[16];
    sprintf(temp,"(%d,%d)",pt.x,pt.y);//打印当前坐标值

    printf("( %d, %d) ",pt.x,pt.y);

    cvPutText(src,temp, pt, &font, cvScalar(255, 255, 255, 0)); //在图像中打印当前坐标值
    cvCircle( src, pt, 2,cvScalar(255,0,0,0) ,CV_FILLED, CV_AA, 0 );//在在图像当前坐标点下画圆
    cvShowImage( "src", src );
}

}

int main()
{
src = cvLoadImage("/home/zyx/Downloads/626900593.jpg",1); //读入图像

cvNamedWindow("src",1);//新建窗口
cvSetMouseCallback( "src", on_mouse, 0 );  //注册鼠标相应回调函数
cvShowImage("src",src);
cvWaitKey(0);
cvDestroyAllWindows();//销毁所有窗口
cvReleaseImage(&src);//释放图像数据
return 0;

}