0 2 error: (-215) scn == 3 || scn == 4 in function cv::cvtColor ( 2017-09-13 12:26:33 -0600 )
2 0 error: (-215) scn == 3 || scn == 4 in function cv::cvtColor ( 2017-09-13 12:26:27 -0600 )
0 2 error: (-215) scn == 3 || scn == 4 in function cv::cvtColor ( 2017-09-13 12:26:07 -0600 )