Table 2.
(a) Performance of four existing text detection methods. | ||||
---|---|---|---|---|
Measurement | Existing Methods | |||
[21] | [22] | [23] | [24] | |
Precision | 0.291 | 0.110 | 0.116 | 0.457 |
Recall | 0.980 | 0.464 | 0.528 | 0.210 |
F-rate | 0.418 | 0.154 | 0.158 | 0.256 |
MOA | 0.263 | 0.084 | 0.091 | 0.125 |
(b) Performance of our new text detection method. | ||||
---|---|---|---|---|
Measurement | Our Method | |||
Naive | One step | Two steps | Multiple steps | |
Precision | 0.528 | 0.598 | 0.637 | 0.637 |
Recall | 0.626 | 0.655 | 0.672 | 0.670 |
F-rate | 0.519 | 0.564 | 0.600 | 0.600 |
MOA | 0.332 | 0.383 | 0.430 | 0.429 |