Research Article

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

Table 2

Comparison of experimental results on DSBI.

MethodPRHmean

BraUNet [20]0.99350.99880.9966
UNet [20]0.98280.96690.9751
TS-OBR [20]0.99280.99960.9962
Our method0.95810.99810.977

Bold font indicates maximum value.