This is an implementation of the Generalized Fast radial symmetry transform (GFRST) using OpenCV.
Original code of the Fast radial symmetry transform (FRST) by Nikita can be fund at: https://github.com/Xonxt/frst
Loy, Gareth, and Nick Barnes. "Fast shape-based road sign detection for a driver assistance system." Intelligent Robots and Systems, 2004.(IROS 2004). Proceedings. 2004 IEEE/RSJ International Conference on. Vol. 1. IEEE, 2004.
Toro, Matias Alejandro Valdenegro. "Fast Radial Symmetry Detection for Traic Sign Recognition." (2015).