Emgu CV 3 findContours and hierarchy parameter of type Vec4i equivalent?

Question

I\'m attempting to translate the following OpenCV C++ code into Emgu CV 3:

std::vector > contours;
std::vector

        

Answer 1

You can simply create a

Matrix

then copy you Mat object data into that Matrix. See Example below:

  Mat hierarchy = new Mat();
  CvInvoke.FindContours(imgThreshCopy, contours, hierarchy , RetrType.Tree,ChainApproxMethod.ChainApproxSimple);

  Matrix matrix = new Matrix(hierarchy.Rows, hierarchy.Cols,hierarchy.NumberOfChannels);
  hierarchy.CopyTo(matrix);

Data can be accessed in

matrix.Data

Good Luck. H