绘制轮廓drawContours

#include 
#include 
#include 
using namespace cv;
using namespace std;

int main()
{
	system("color 1A");
	Mat srcImage = imread("C:/Users/hasee-pc/Desktop/girl.jpg",0);
	imshow("原始图", srcImage);

	Mat dstImage = Mat::zeros(srcImage.rows, srcImage.cols, CV_8UC3);

	srcImage = srcImage > 119;
	imshow("取阈值后的原始图", srcImage);

	vector > contours;
	vector hierarchy;

	findContours(srcImage, contours, hierarchy, RETR_CCOMP, CHAIN_APPROX_SIMPLE);

	int index = 0;
	for (; index >= 0; index = hierarchy[index][0])
	{
		Scalar color(rand() & 255, rand() & 255, rand()&255);
		drawContours(dstImage, contours, index, color, FILLED, 8, hierarchy);
	}
	imshow("轮廓图",dstImage);
	waitKey(0);
	return 0;
}