Research Article
The Calculation of Roughness Uncertainty by Fitting B-Spline Filter Assessment Middle Lines
Table 3
The comparison of roughness calculated by the B-spline filter and the fitted curve.
| | Group | | | Difference |
| | The 1st group | 3.729619905 | 3.729619877 | 2.8E-08 | | The 2nd group | 3.65574764 | 3.655747609 | 3.1E-08 | | The 3rd group | 3.919482247 | 3.919482219 | 2.82674E-08 | | The 4th group | 3.882077773 | 3.882077733 | 4E-08 | | The 5th group | 3.998053335 | 3.998053294 | 4.1E-08 | | Mean | 3.83699618 | 3.836996146 | 3.36535E-08 |
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is the roughness calculated by the fitted curve; is the roughness calculated by the B-spline filter. |
