Evaluation
The quality Q of each edge detection is computed as follows[1]:
![](imgs/eq1.png)
where
![](imgs/eq2.png)
and TP means true-positives, FP -- false-positives, TN -- true negatives, FN -- false negatives, and d(i) -- the distance between the i-th edge pixels of the proposed result and ground truth. Do not hesitate to contact organizers in case of further questions.
[1] Boaventura and Gonzaga (2009)