mexopencv  3.4.1
MEX interface for OpenCV library
estimatePoseCharucoBoard.cpp
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1 
8 #include "mexopencv.hpp"
9 #include "mexopencv_aruco.hpp"
10 #include "opencv2/aruco.hpp"
11 using namespace std;
12 using namespace cv;
13 using namespace cv::aruco;
14 
22 void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
23 {
24  // Check the number of arguments
25  nargchk(nrhs>=5 && (nrhs%2)==1 && nlhs<=3);
26 
27  // Argument vector
28  vector<MxArray> rhs(prhs, prhs+nrhs);
29 
30  // Option processing
31  Mat rvec, tvec;
32  bool useExtrinsicGuess = false;
33  for (int i=5; i<nrhs; i+=2) {
34  string key(rhs[i].toString());
35  if (key == "Rvec")
36  rvec = rhs[i+1].toMat(CV_64F);
37  else if (key == "Tvec")
38  tvec = rhs[i+1].toMat(CV_64F);
39  else if (key == "UseExtrinsicGuess")
40  useExtrinsicGuess = rhs[i+1].toBool();
41  else
42  mexErrMsgIdAndTxt("mexopencv:error",
43  "Unrecognized option %s", key.c_str());
44  }
45  if (!rvec.empty() && !tvec.empty())
46  useExtrinsicGuess = true;
47 
48  // Process
49  vector<Point2f> charucoCorners(rhs[0].toVector<Point2f>());
50  vector<int> charucoIds(rhs[1].toVector<int>());
51  Ptr<CharucoBoard> board;
52  {
53  vector<MxArray> args(rhs[2].toVector<MxArray>());
54  board = create_CharucoBoard(args.begin(), args.end());
55  }
56  Mat cameraMatrix(rhs[3].toMat(CV_64F)),
57  distCoeffs(rhs[4].toMat(CV_64F));
58  bool valid = estimatePoseCharucoBoard(charucoCorners, charucoIds, board,
59  cameraMatrix, distCoeffs, rvec, tvec, useExtrinsicGuess);
60  plhs[0] = MxArray(rvec);
61  if (nlhs > 1)
62  plhs[1] = MxArray(tvec);
63  if (nlhs > 2)
64  plhs[2] = MxArray(valid);
65 }
STL namespace.
T end(T... args)
struct mxArray_tag mxArray
Forward declaration for mxArray.
Definition: matrix.h:259
Common definitions for the aruco module.
void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
Main entry called from Matlab.
#define CV_64F
LIBMWMEX_API_EXTERN_C void mexErrMsgIdAndTxt(const char *identifier, const char *err_msg,...)
Issue formatted error message with corresponding error identifier and return to MATLAB prompt...
mxArray object wrapper for data conversion and manipulation.
Definition: MxArray.hpp:123
void nargchk(bool cond)
Alias for input/output arguments number check.
Definition: mexopencv.hpp:181
STL class.
Global constant definitions.
T begin(T... args)
T c_str(T... args)
bool estimatePoseCharucoBoard(InputArray charucoCorners, InputArray charucoIds, const Ptr< CharucoBoard > &board, InputArray cameraMatrix, InputArray distCoeffs, OutputArray rvec, OutputArray tvec, bool useExtrinsicGuess=false)
bool empty() const
cv::Mat toMat() const
cv::Ptr< cv::aruco::CharucoBoard > create_CharucoBoard(std::vector< MxArray >::const_iterator first, std::vector< MxArray >::const_iterator last)
Create an instance of CharucoBoard using options in arguments.