How to convert 3D point in OpenCV to Eigen representation?

Question

将OpenCV中的3D点（ cv::Point3 ）转换为本征表示的最佳方法是什么？

Answer 1

I think the best representation in Eigen is Vector3d , such as:

cv::Point3d p(1,2,3);
Eigen::Vector3d point(p.x, p.y, p.z);