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Overlapping pixel ratio and computation time for pathological map transformation with different number of landmark points.
| Number of control points | Transformation berror (%) | Computation time (s) |
|---|---|---|
| 4 | 7.61 | 1.57 |
| 8 | 4.42 | 1.70 |
| 20 | 1.50 | 1.91 |
| 50 | 1.30 | 2.55 |
