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Quantitative comparison of the extracted scale bar and OCR results with the ground truth.
| Data | Patient #1 | Patient #2 | Patient #3 |
|---|---|---|---|
|
Result of scale bar and OCR |
|
|
|
| Pixel of scale bar (px) | 423 | 451 | 431 |
| Length of scale bar (cm) | 13 | 24 | 13 |
| Distance per pixel (mm) | 3.25 | 1.75 | 3.31 |
| Real distance | 3.25 | 1.75 | 3.30 |
| Deviation | 0 | 0 | 0.01 |
