Research Article
Practical In Situ Implementation of a Multicamera Multisystem Calibration
Table 3
Results for the CMP estimation test.
| Adjustment quantities/types of system calibration | (1) Pre + trad | (2) Trad + self | (3) Pre + prop | (4) Prop + self |
| RMSExy [μm] | 0.99 | 0.90 | 1.20 | 1.03 | Number of images | 139 | 139 | 139 | 139 | Number of image points | 7661 | 7649 | 7661 | 7649 | Average number of points/images | 55.1 | 55.0 | 55.1 | 55.0 | Number of epochs | 41 | 41 | 41 | 41 | Average number of images/epochs | 3.4 | 3.4 | 3.4 | 3.4 | Positional CMP range [mm] | N/A | N/A | 0.02–0.4 | 0.04–0.3 | Rotational CMP range [] | N/A | N/A | 2–12 | 4–40 | Number of unknowns | 1089 | 1145 | 543 | 599 | Redundancy | 14,233 | 14,153 | 14,779 | 14,699 |
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pre: precalibration of individual cameras; trad: traditional-style bundle adjustment; prop: proposed bundle adjustment with built-in ROCs; self: self-calibration mode.
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