条形码定位算法

AIBigTruth 2021-09-04 原文

条形码定位算法

 1 #include <opencv2/opencv.hpp>
 2 #include <opencv2/core/core.hpp>
 3 #include <opencv2/highgui/highgui.hpp>
 4 #include<iostream>
 5 #include<stdlib.h>
 6 using namespace cv;
 7 using namespace std;
 8 int main()
 9 {
10     Mat Img,grayImg,gradx,blurgradx,gradAbsx,threshImg,close_threshImg,erode_threshImg,dilate_threshImg;
11     Img=imread("E:\\txm1.jpg");
12     imshow("0原图",Img);            
13     cvtColor(Img,grayImg,COLOR_BGR2GRAY);
14     imshow("1灰度图",grayImg);
15     Scharr(grayImg,gradx,CV_16S,1,0);
16     imshow("2边缘检测图",gradx);
17     convertScaleAbs(gradx,gradAbsx);
18     imshow("3Abs图",gradAbsx);
19     blur(gradAbsx,blurgradx,Size(5,5));
20     imshow("4滤波图",blurgradx);
21     threshold(blurgradx,threshImg,150,255,CV_8UC1);
22     imshow("4.5阈值分割图",threshImg);
23     Mat kernal=getStructuringElement(MORPH_RECT,Size(25,5));
24     morphologyEx(threshImg,close_threshImg,MORPH_CLOSE,kernal);
25     imshow("5闭操作",close_threshImg);
26     Mat edkl=getStructuringElement(MORPH_RECT,Size(3,3));
27     erode(close_threshImg,erode_threshImg,edkl,Point(-1,-1),8);
28     imshow("6腐蚀操作",erode_threshImg);
29     dilate(erode_threshImg,dilate_threshImg,edkl,Point(-1,-1),15);
30     imshow("7膨胀操作",dilate_threshImg);
31     waitKey(0);
32     return 0;
33 
34 }