Hi. I don't know too much about image processing, I was told to use matlab bfilter2() (see the link below), but I prefer using OpenCV, if possible. But I don't know if there's an exact equivalent of such filter. A quick googling gives me no clear results.
https://www.mathworks.com/matlabcentral/mlc-downloads/downloads/submissions/62625/versions/1/previews/bfilter2.m/index.html
Any hint? Thanks in advance!