TABLE II.
Mean curvature error EH, bias BH, and deviation SH and Gaussian curvature error EK, bias BK, and deviation SK on the sphere surface, with and without interpolations. Subscript 2 and 4 corresponds to interpolation by a factor of 2 or 4, respectively.
| None (%) | Linear2 (%) | Quadratic2 (%) | Cubic2 (%) | Linear4 (%) | Quadratic4 (%) | Cubic4 (%) | |
|---|---|---|---|---|---|---|---|
| EH | 0.5 | 0.36 | 0.36 | 0.36 | 0.37 | 0.37 | 0.37 |
| BH | 4.28 | 1.89 | 1.90 | 1.90 | 0.67 | 0.68 | 0.68 |
| SH | 5.65 | 5.72 | 5.71 | 5.71 | 6.09 | 6.01 | 6.02 |
| EK | 2.24 | 1.55 | 1.55 | 1.55 | 1.55 | 1.52 | 1.52 |
| BK | 9.06 | 4.13 | 4.15 | 4.16 | 1.68 | 1.71 | 1.71 |
| SK | 11.91 | 11.75 | 11.72 | 11.72 | 12.34 | 12.20 | 12.22 |