Question

I’m looking for the C++ equivalent of cvConvertImage in OpenCV.

cvConvertImage(const CvArr* src, CvArr* dst, int flags=0)

Specifically, I have a cv::Mat image with the red and blue channels flipped, and I wish to swap them back. In cvConvertImage you can do this by setting flags to be CV_CVTIMG_SWAP_RB.

Answer 1

Late answer, but you can use cv::cvtColor(...) with option CV_BGR2RGB if you want to swap R and B.

If you want more complex operations mixchannels is the way to go