vconcat function
Vconcat applies vertical concatenation to given matrices.
For further details, please see: https://docs.opencv.org/4.x/d2/de8/group__core__array.html#gaad07cede730cdde64b90e987aad179b8
Implementation
Mat vconcat(InputArray src1, InputArray src2, {OutputArray? dst}) {
dst ??= Mat.empty();
cvRun(() => cffi.Mat_Vconcat(src1.ref, src2.ref, dst!.ref));
return dst;
}