Focal CTC Loss for Chinese Optical Character Recognition on Unbalanced Datasets

Table 3

Real dataset.

		accuracy	soft_accuracy
CTC		0.723	0.926
0.99	0.5	0.730	0.933
0.99	1	0.764	0.946
0.99	2	0.631	0.913
0.75	0.5	0.692	0.918
0.75	1	0.724	0.926
0.75	2	0.704	0.930
0.5	0.5	0.733	0.936
0.5	1	0.655	0.908
0.5	2	0.641	0.913
0.25	0.5	0.759	0.937
0.25	1	0.690	0.926
0.25	2	0.667	0.919