Canny Edge Detector
state-of-the-art parameter tuning

Parameters
Thresholds
The thesholds of the hysteresis process in the Canny algorith. The larger of the two is for finding strong edges, and the smaller one is for edge linkage.
Threshold1
Threshold2
Code
Reference
*Disclaimer*: This site is not in any way associated with the OpenCV organization. Visit OpenCV.org for an updated documentation for the latest functions.
This site is built on the sheer annoyance and repetitive frustration the author experienced while tuning parameters on OpenCV. It is casually maintained in my spare time. You can DM me on Github for any feature suggestions.