Table 8 Anchor anatomical points and descriptions
From: 3-Dimensional facial expression recognition in human using multi-points warping
No | Anchor Landmarks | 3D Notation | Description |
|---|---|---|---|
1 | Endocanthion left | enl | Left most medial point of the palpebral fissure, at the inner commissure of the eye |
2 | Exocanthion left | exl | Left most lateral point of the palpebral fissure, at the outer commissure of the eye |
3 | Exocanthion right | exr | Right most lateral point of the palpebral fissure, at the outer commissure of the eye |
4 | Endocanthion right | enr | Right most medial point of the palpebral fissure, at the inner commissure of the eye |
5 | Sellion | se | Deepest midline point of the nasofronal angle |
6 | Pronasale | pr | The most anteriorly protruded point of the apex nasi |
7 | subnasale | su | Median point at the junction between the lower border of the nasal septum and the philtrum area |
8 | Alare left | all | Left most lateral point on the nasal ala |
9 | Alare right | alr | Right most lateral point on the nasal ala |
10 | Cheilion left | chl | Left outer corners of the mouth where the outer edges of the upper and lower vermilions meet |
11 | Cheilion right | chr | Right outer corners of the mouth where the outer edges of the upper and lower vermilions meet |
12 | Labiale superius | ls | Midpoint of the vermilion border of the upper lip |
13 | Labiale inferius | li | Midpoint of the vermilion border of the lower lip |
14 | Gnathion | gn | Median point halfway between pogonion and menton |
15 | Obelion left | obl | Left median point where the sagittal suture intersects with a transverse line connecting parietal foramina |
16 | Obelion right | obr | Right median point where the sagittal suture intersects with a transverse line connecting parietal foramina |