Intelligent Recognition of Time Stamp Characters in Solar Scanned Images from Film

Table 2

Test results of TESSERACT.

Character	Total numbers	Recognition errors	Recognition accuracy rate	Time cost(s)
0	1000	57	0.943	8.95
1	1000	45	0.955	8.32
2	1000	53	0.947	8.28
3	1000	50	0.950	8.84
4	1000	59	0.941	8.23
5	1000	40	0.960	8.44
6	1000	49	0.951	8.52
7	1000	32	0.968	8.39
8	1000	68	0.932	8.45
9	1000	60	0.940	8.69