Detecting Gear Surface Defects Using Background-Weakening Method and Convolutional Neural Network

Table 4

A priori boxes for different receptive field assignments.

Feature map
Receptive field	Big	Medium	Small
Prior box	(58, 53) (54, 38) (73, 38)	(39, 61) (43, 45) (46, 40.5)	(33, 25) (31, 41) (41, 26)