Research Article
Gamma Precorrection and Phase Error Compensation Methods Based on Three-Frequency with Three-Phase Shift
Table 3
Evaluation and analysis of point cloud by the traditional phase-shifted method for Figure
12(a).
| Direction | Maximal value (mm) | Average error (mm) | Standard deviation (mm) |
| Negative direction | ā3.8620 | ā0.7231 | 0.7404 | Absolute direction | 3.8620 | 0.0159 | 0.1649 | Forward direction | 3.3378 | 0.0091 | 0.1129 |
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