Postprocessing of Edge Detection Algorithms with Machine Learning Techniques

Table 1

Statistical differences between methods.

Classifier/algorithm	Human max F	AUC max (from 1% to 15%)	Human mean F	AUC mean (from 1% to 15%)	Human min F	AUC min (from 1% to 15%)
Logistic	0.524	0.496	0.381	0.359	0.323	0.305
Neural network (NN)	0.552	0.524	0.403	0.381	0.346	0.326
Random forests (RF)	0.547	0.517	0.400	0.376	0.345	0.323
Sobel-grey	0.487	0.457	0.356	0.335	0.304	0.285

Bold values represent the highest values reached for each column.