Use the aruco.estimatePoseSingleMarkers() function to return the rvec rotation matrix and tvec displacement matrix of the found aurco label for conversion, find out the distance and angle of aurco relative to the camera cam, and realize the use of aurco for positioning

项目地址：https://github.com/ZengWenJian123/aruco_positioning_2D 博客地址：https://blog.dgut.top/2020/08/19/aruco-2d/ csdn：https://blog.csdn.net/dgut_guangdian/article/details/108093643