Anchor-Free Braille Character Detection Based on Edge Feature in Natural Scene Images

Table 1

Comparison of experimental results on NSBD.

Method	P	R	Hmean
SSD [17]	0.809	0.545	0.651
Faster RCNN [18]	0.790	0.502	0.614
EAST [19]	0.930	0.462	0.616
Our method (ResNet-50)	0.910	0.555	0.689
Our method (VGG-16)	0.908	0.549	0.684