Table 1 Performance of three methods.
From: Automated hand-marked semantic text recognition from photographs
STR approach | Two-step HMSTR approach | Lumped approach | |||||
|---|---|---|---|---|---|---|---|
Circled text detection | STR | Overall | Circled text detection | Semantic text classification | Overall | Circled semantic text detection | |
Precision | 0.97 | 0.89 | 0.86 | 0.97 | 0.95 | 0.92 | 0.94 |
Recall | 0.99 | 0.89 | 0.88 | 0.99 | 0.93 | 0.92 | 0.77 |
F1 score | 0.98 | 0.89 | 0.87 | 0.98 | 0.94 | 0.92 | 0.78 |
Weighted F1 score | 0.98 | 0.70 | 0.69 | 0.98 | 0.98 | 0.96 | 0.94 |
