//
// Created by shanghaitech on 18-10-28.
//
#include<opencv2/imgproc/imgproc.hpp>
#include<opencv2/highgui/highgui.hpp>
#include<iostream>
using namespace std;
using namespace cv;
Mat srcImage;
int pos = 0;
void onChangeTrackBar(int, void *)
{
Mat dstImage;
threshold(srcImage, dstImage, pos, 255, THRESH_BINARY);
imshow("threshold2", dstImage);
}
int main()
{
srcImage = imread("/home/Pictures/part.png");
if (!srcImage.data){
cout << "read failed" << endl;
system("pause");
return -1;
}
Mat srcGray;
cvtColor(srcImage, srcGray, CV_RGB2GRAY);
namedWindow("threshold");//创建窗口
imshow("threshold", srcGray);
//创建滑动条createTrackbar
createTrackbar("pos", "threshold",
&pos, 255, onChangeTrackBar);
waitKey(0);
return 0;
}
