Review Article
Review of Calibration Methods for Scheimpflug Camera
Table 1
Calibration results of the first imaging system with tilt angle of 0° approximately.
| Calibration model | Pinhole (1) | Pinhole (2) | RMM (1) | RMM (2) | PLVM (1) | PLVM (2) | PCIM (1) | PCIM (2) |
| α (°) | — | — | 0.1928 | 0.1214 | 0.2149 | 0.7449 | 0.3175 | 0.2436 | β (°) | — | — | −0.5407 | 2.7449 | 0.7623 | −3.1642 | 0.7844 | 0.6752 | Cx (pixel) | 1984.8581 | 2044.4909 | 2045.3706 | 2041.9526 | 2045.6208 | 2077.7127 | 2040.3889 | 2044.8924 | Cy (pixel) | 1499.5190 | 1461.1779 | 1461.8725 | 1446.3428 | 1462.4681 | 1447.5127 | 1458.2369 | 1462.3325 | fx (mm) | 48.0293 | 48.0073 | 48.0056 | 47.8958 | 47.9954 | 48.1980 | 48.1031 | 47.9975 | fy (mm) | 47.9819 | 47.9663 | 48.0024 | 47.9726 | 47.9954 | 48.1980 | 48.1031 | 47.9975 | k1 | −0.0777 | −0.0785 | −0.0837 | −0.0793 | −0.0852 | −0.0806 | −0.0798 | −0.0802 | k2 | 0.1294 | 0.1255 | 0.2126 | 0.1560 | 0.2329 | 0.0922 | 0.2330 | 0.1121 | k3 | — | −0.0018 | — | 0.0022 | — | 0.0015 | — | 0.0019 | k4 | — | 0.0025 | — | 0.0036 | — | 0.0028 | — | 0.0027 | RMSE (pixel) | 0.1896 | 0.1620 | 0.1623 | 0.1614 | 0.1630 | 0.1608 | 0.1622 | 0.1619 |
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