[英]OpenCv camera calibration with C++ (Unsupported format or combination of formats error)
我正在使用OpenCV使用C ++进行相机校准。 问题是,对于calibrateCamera()函数,出现此错误:
OpenCV Error: Unsupported format or combination of formats (objectPoints should contain vector of vectors of points of type Point3f) in cv::collectCalibrationData, file C:\builds\master_PackSlave-win64-vc12-shared\opencv\modules\calib3d\src\calibration.cpp, line 3060
这是我的代码:
template <typename T>
string NumberToString ( T Number )
{
stringstream ss;
ss << Number;
return ss.str();
}
int main()
{
int numBoards = 20;
int numCornersHor = 8;
int numCornersVer = 5;
float squareLenght = 30.0;
string commonFileName = "D:\\IMG_11";
string fileType = ".JPG";
int fileNum = 7;
string fileNumStr;
Size ImgSize(816, 612);
int numSquares = numCornersHor * numCornersVer;
Size board_sz = Size(numCornersHor, numCornersVer);
vector<vector<Vec3f>>object_points;
vector<vector<Vec2f>>image_points;
vector<Vec3f>obj;
vector<Vec2f>corners;
Mat cameraMatrix, distCoeffs;
Size imageSize;
int successes=0;
Mat image;
Mat gray_image;
fileNumStr = NumberToString(fileNum);
if (fileNum <10)
fileNumStr = "0"+ NumberToString(fileNum);
image = imread(commonFileName+fileNumStr+fileType,1);
resize(image,image, ImgSize);
fileNum++;
obj.clear();
for(int i = 0; i<numCornersVer; i++){
for(int j=0;j<numCornersHor;j++){
obj.push_back(Vec3f(float(j*squareLenght/1.0),float(i*squareLenght/1.0),0.0f));
}
}
while(successes<numBoards)
{
cvtColor(image, gray_image, CV_BGR2GRAY);
bool found = findChessboardCorners(image, board_sz, corners, CV_CALIB_CB_ADAPTIVE_THRESH | CALIB_CB_NORMALIZE_IMAGE);
if(found)
{
cornerSubPix(gray_image, corners, Size(11, 11), Size(-1, -1), TermCriteria(TermCriteria::EPS+TermCriteria::COUNT, 30, 0.1));
drawChessboardCorners(image, board_sz, Mat(corners), found);
image_points.push_back(corners);
object_points.push_back(obj);
successes++;
if(successes>=numBoards)
break;
}
//imshow("win1 "+ fileNumStr, image);
//imshow("win2 " + fileNumStr, gray_image);
fileNumStr = NumberToString(fileNum);
if (fileNum <10)
fileNumStr = "0"+ NumberToString(fileNum);
image = imread(commonFileName+fileNumStr+fileType,1);
resize(image,image, ImgSize);
fileNum++;
int key = waitKey(1);
if(key==27)
return 0;
}
vector<Mat> rvecs;
vector<Mat> tvecs;
cameraMatrix = Mat::eye(3, 3, CV_64F);
distCoeffs = Mat::zeros(8, 1, CV_64F);
intrinsic.ptr<float>(0)[0] = 1;
intrinsic.ptr<float>(1)[1] = 1;
double rms = calibrateCamera(object_points, image_points, image.size(), cameraMatrix, distCoeffs, rvecs, tvecs);
Mat imageUndistorted;
return 0;
}
我在这里发现另一个人也遇到了类似的python问题,但是我找不到在C ++中测试这些答案的正确方法。 请帮我解决这个错误。
谢谢。
尝试将object_points转换为Point3f的向量,并将image_points转换为Point2f的向量,您粘贴的错误暗示了这一点。 在您的代码中,您使用的是Vec3f和Vec2f而不是Point3f / 2f
谢谢大家对我的帮助:)
通过使用cmake再次安装opencv可以解决此问题。
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