how to convert from cv::Mat to CvArr?

Question

i have passed a lot of time searching on how to convert from cv::Mat or CvMat to CvArr but with no gain ,please help me in that,thanks.

Answer 1

Are you sure you want to convert it? sometimes there is equivalent function that use what you have. For example cvMorphologyEx is using CvArr but morphologyEx is using cv::Mat.