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| 2019-03-22 01:48:51 -0600 | commented question | getting error: (-215) npoints >= 0 && npoints == std::max(ipoints.checkVector(2, CV_32F), ipoints.checkVector(2, CV_64F)) in function solvePnP , while running the loop. How did you solve the problem? I converted Point2f & Point3f to Point2d and Point3d respectively and still same erro |