Canny Edge Implementation And Edge Scoring
Reference: https://github.com/ISI-RCG/spicy/blob/master/apps/canny/original/reference.py
This code is Scored Canny Edge code made with tensor flow.
This Canny Edge code does not discard Weak Edge, but returns a value between 0 and 1.
If you want the original Canny edge code, delete the last 5-line of code.
