opencv笔记2----摄像机标定中的棋盘角点检测

所用棋盘为8*8国际象棋棋盘，共检测7*7个角点

#include "stdafx.h"
#include <opencv2/opencv.hpp>
#include <vector>
using namespace cv;

int main()
{
	int  CurrentImage  = 0;
    int  CurrentRow    = 0;         //行 
    int  CurrentColumn = 0;         //列

	int ChessBoardSize_w = 7;       //角点个数
    int ChessBoardSize_h = 7;
	bool  findcorner_result = false;

	const int NImages = 4;//图片数量
	char* imageArray[NImages] = {"chess1.jpg",
													  "chess2.jpg",
													  "chess3.jpg",
													  "chess4.jpg"};
	int NPoints=0; 

	Mat src;
	Mat gray;
	namedWindow("Chess",0);

	vector<Point2f> corners;//存储角点
	//读取图片
	for(CurrentImage;CurrentImage<NImages;++CurrentImage)
	{
		src = imread(imageArray[CurrentImage]);
		//灰度
		cvtColor(src,gray,CV_BGR2GRAY);
 
		//检测角点
		corners.clear();
		findcorner_result = findChessboardCorners(gray,Size(ChessBoardSize_w,ChessBoardSize_h),corners,3);
		//精确坐标
		cornerSubPix(gray,corners,Size(10,10),Size(-1,-1),TermCriteria(CV_TERMCRIT_ITER|CV_TERMCRIT_EPS,500,0.003));
		//画角点
		drawChessboardCorners(src,Size(ChessBoardSize_w,ChessBoardSize_h),corners,findcorner_result);
		imshow("Chess",src);
		std::cout<<"print any key to read the next pic"<<std::endl;
		waitKey();
	}

}
#include "stdafx.