OpenCV实现简易标定板

//编程环境：VS2013, X64，OpenCV3.0.0
#include <iostream>
#include <opencv2\core\core.hpp>
#include <opencv2\opencv.hpp>
 
using namespace std;
using namespace cv;
 
int main(){ 
        //单位转换
 int dot_per_inch = 96;  //我的电脑是96DPI(dot per inch）
 double cm_to_inch = 0.3937; //1cm=0.3937inch
 double inch_to_cm = 2.54;   //1inch = 2.54cm
 double inch_per_dot = 1.0 / 96.0;
 
        //自定义标定板
 double blockSize_cm = 1.3; //方格尺寸：边长1.3cm的正方形
        int blockNum = 8; //8*8个方格
 
 
 int blockSize = (int)(blockSize_cm /inch_to_cm *dot_per_inch);
 cout << blockSize << endl;
 
 int imageSize = blockSize * blockNum;
 cout << imageSize << endl;
 Mat chessBoard(imageSize, imageSize, CV_8UC3, Scalar::all(0));
 unsigned char color = 0;
 
 for (int i = 0; i < imageSize; i = i + blockSize){
  color = ~color;
  for (int j = 0; j < imageSize; j = j + blockSize){
   Mat ROI = chessBoard(Rect(i, j, blockSize, blockSize));
   ROI.setTo(Scalar::all(color));
   color = ~color;
  }
 }
 imshow("Chess board", chessBoard);
        imwrite("C:\\Users\\ComputerName\\Pictures\\chessBoard.jpg",chessBoard);
 cvWaitKey(3000);
        return 0;
}