Table 3. Average distances and standard deviations (Std) between the 19 groundtruth landmarks and their respective nearest GESSA landmark points.
| Landmarks | Average Distance | Normalized Average Distance | Std | Normalized Std |
|---|---|---|---|---|
| Zygion (R) | 1399.047 | 0.01077 | 422.24 | 0.00325 |
| Labiale Inferius | 1791.735 | 0.01379 | 472.386 | 0.00363 |
| Sublabiale | 2162.848 | 0.01665 | 330.163 | 0.00254 |
| Gnathion | 2506.586 | 0.01929 | 480.526 | 0.00369 |
| Glabella | 1677.904 | 0.01291 | 555.001 | 0.00427 |
| Labiale Superius | 2545 | 0.01959 | 594.255 | 0.00457 |
| Cheilion (R) | 2274 | 0.0175 | 542.486 | 0.00417 |
| Nasion | 2896.955 | 0.0223 | 808.766 | 0.00622 |
| Pronasale | 1625.78 | 0.0125 | 557.833 | 0.00429 |
| Subnasale | 2389.583 | 0.01839 | 777.568 | 0.00598 |
| Alare (R) | 3694.01 | 0.02844 | 678.1579 | 0.00522 |
| Endocantion (R) | 1526.617 | 0.01175 | 331.483 | 0.00255 |
| Exocanthion (R) | 2152.691 | 0.01657 | 487.591 | 0.00375 |
| Progonion | 3008.975 | 0.02316 | 574.951 | 0.00442 |
| Zygion (L) | 3142.033 | 0.02419 | 522.777 | 0.00402 |
| Cheilion (L) | 2571.254 | 0.01979 | 583.14 | 0.00448 |
| Alare (L) | 2093.014 | 0.01611 | 514.262 | 0.00395 |
| Endocanthion (L) | 2420.324 | 0.01863 | 367.685 | 0.00283 |
| Exocanthion (L) | 1771.4 | 0.01363 | 736.372 | 0.00566 |
Statistics were computed on the set of 11 validation faces. Normalized measurements are acquired by division with the mean facial width.