图像处理.zip_Opencv图像处理_图像识别

#include<opencv2/opencv.hpp> #include<iostream> #include<math.h> using namespace cv; Mat src; void myLine();//绘画直线的函数 void myRectangle();//矩形 void mylielipse();//画椭圆 void mycicle(); void duobianxing(); void rangdomlidemo(); int main(int argc, char** argv) { src = imread("F:/image/004.jpg"); //myLine();//画直线 //myRectangle();//画矩形 //mylielipse();//画椭圆 //mycicle();//画圆 //duobianxing();//画多边形 rangdomlidemo(); //putText(src,"hello",Point(100,100),CV_FONT_HERSHEY_COMPLEX,1.0,Scalar(250,233,240),2,8); //namedWindow("input002", CV_WINDOW_AUTOSIZE); //imshow("input002", src); //imwrite("F:/image/005.jpg", src); waitKey(0); return 0; } void myLine(){ Point p1 = Point(30,30);//线的起点 Point p2 = Point(100,100);//线的终点 Scalar color = Scalar(0, 0, 255);//线的颜色 line(src, p1, p2, color, 4, 8);//4是线的粗细 } void myRectangle(){ Rect rect = Rect(20, 20, 100, 100);//矩形的起点和终点。 Scalar color = Scalar(0,0,255); printf("3343"); rectangle(src,rect,color,2,LINE_8); } void mylielipse() { for (int a = 10; a <= 360; a += 10) {//a是倾斜角度， Scalar color = Scalar(0, 0, 255); ellipse(src, Point(src.cols / 2, src.rows / 2), Point(src.cols / 4, src.rows / 8), a, 0, -120, color, 1, 8); } } void mycicle() { Scalar color = Scalar(0,255,255); Point cnter = Point(src.cols/2,src.rows/2); circle(src, cnter, 100, color, 2, 8);//100是半径 } void duobianxing() {//获得一个被填充的多边形 Point pts[1][5]; pts[0][0] = Point(100,100); pts[0][1] = Point(100, 200); pts[0][2] = Point(200, 200); pts[0][3] = Point(200, 100); pts[0][4] = Point(100, 100); const Point *ppts[] = { pts[0] }; int rpt[] = { 5 }; Scalar color = Scalar(0, 255, 255); fillPoly(src, ppts, rpt, 1, color, 8); } void rangdomlidemo() { RNG rng(12345); Point pt1; Point pt2; Mat bg = Mat::zeros(src.size(),src.type()); namedWindow("input003", CV_WINDOW_AUTOSIZE); for (int i = 0; i <1000;i++) { pt1.x = rng.uniform(0, src.cols); pt1.y = rng.uniform(0,src.rows); pt2.x = rng.uniform(0, src.cols); pt2.y = rng.uniform(0, src.rows); Scalar color = Scalar(rng.uniform(0,255),rng.uniform(0,255), rng.uniform(0, 255)); //if (waitKey(50) > 0) { // break; //} line(bg, pt1, pt2, color, 1, 8); imshow("input003", bg); } }