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How to convert cv::Mat* to cv::Mat?

Hi all, How to convert cv::Mat* to cv::Mat by C++ in opencv-4.1.0? Could not use cv::Mat* in opencv-4.1.0 to crop image or do something.

How to convert cv::Mat* to cv::Mat?

Hi all, all,
How to convert cv::Mat* to cv::Mat by C++ in opencv-4.1.0?
Could not use I'm using some third party SDK that return the result as cv::Mat*.
How do can I convert it to cv::Mat in opencv-4.1.0 to crop image or do something.manipulate by opencv.