基于opencv的相机标定C++代码
时间: 2024-10-09 09:08:56 浏览: 174
基于OpenCV进行相机标定是一个常见的计算机视觉任务,它帮助我们了解相机内部参数并校正图像畸变。下面是一个简单的C++代码片段,展示了如何进行基本的相机标定过程:
```cpp
#include <opencv2/opencv.hpp>
#include "calib3d/calibrationutil.h"
using namespace cv;
// 定义相机标定参数
cv::Mat cameraMatrix;
cv::Mat distCoeffs;
// 读取棋盘图片数据
std::vector<cv::Mat> images;
for (int i = 0; i < num_images; i++) {
Mat image = imread("image_" + std::to_string(i) + ".png", IMREAD_GRAYSCALE);
if (!image.data)
return -1;
images.push_back(image);
}
// 初始化相机参数
cv::Size imageSize(images[0].size());
cv::FileStorage fs("camera_calibration.xml", FileStorage::WRITE);
fs << "camera_matrix" << cameraMatrix << "distortion_coefficients" << distCoeffs;
// 执行相机标定
std::vector<std::vector<Point2f>> objectPoints;
std::vector<Mat> imagePoints;
findChessboardCorners(images, patternSize, imagePoints, objectPoints);
cv::calibrateCamera(objectPoints, imagePoints, imageSize, cameraMatrix, distCoeffs,
noArray(), noArray());
// 保存结果
fs.release();
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