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Evaluated cases for complex surface measurement with vertical layout_
| Vertical layout | |||
|---|---|---|---|
| Dist. | Images | 1D Profile H(x) | MSE |
| 19 cm | 0.366 | ||
| 22 cm | 0.209 | ||
| 25 cm | 0.220 | ||
| 28 cm | 0.073 | ||
| 31 cm | 0.161 | ||
| Mean square error (MSE) | 0.206 | ||
Evaluated cases for complex surface measurement with horizontal layout_
| Horizontal layout | |||
|---|---|---|---|
| Dist. | Images | 1D Profile H(x) | MSE |
| 19 cm | 0.427 | ||
| 22 cm | 0.457 | ||
| 25 cm | 0.366 | ||
| 28 cm | 0.375 | ||
| 31 cm | 0.014 | ||
| Mean square error (MSE) | 0.328 | ||
Comparison of 3D surface reconstruction techniques_
| Time of flight | Stereo vision | Optical fiber | Structure light | |
|---|---|---|---|---|
| Working distance | Long | Medium | Short | Short–medium |
| Vision field | Medium | Lenses dependent | Narrow | Medium |
| Cost | High | Medium | Medium | Low |
| Power | Low | Low | Low | Low |
| Accuracy | Medium | Medium | High | Medium |
| Speed | Fast | Fast | Slow | Medium |