Wusong

Do not forget to set the path in quotes if it contains spaces! Please try: mex generateEllipseCandidates.cpp -ID:\OpenCV\opencv\build\include -ID:\OpenCV\opencv\build\include\opencv -ID:\OpenCV\opencv\build\include\opencv2 -LD:\OpenCV\opencv\build\x64\vc11\lib -L'C:\Program Files\MATLAB\R2018b\extern\include' -L'C:\Program Files\MATLAB\R2018b\extern\lib\win64\microsoft' -lopencv_core249 -lopencv_highgui249 -lopencv_imgproc249 -llibmwlapack.lib