C++ version (OpenCV) of the Matlab built-in function filtfilt.m.

Circular Hough transform using OpenCV: C++ version of the popular (best accurate I think) Matlab function CircularHough_Grd.m of Tao-Peng. Note: the user should know how to use OpenCV first.

C++ version (OpenCV) of the Matlab built-in functions accumarray.m and gradient.m