Graphics Reference
In-Depth Information
face region
#points
5
2
4
6
10
3
8
11 12
right eye
2
1
7
9
left eye
2
right eyebrow
3
15
13
14
23 (24)
left eyebrow
3
17
16
18
nose
5
19
20
mouth
6
21
22
face boundary
3
(a)
(b)
Figure 5.5
Bosphorus database: (a) the 24 facial landmarks evidenced a face sketch; (b) the number
of manually identified landmarks for different regions of the face
them have two. There are a total of 34 expressions, 13 poses, 4 occlusions, and 1 or 2 neutral
faces. In this set, 29 subjects are professional actors/actresses, the scans of whom provide
more realistic and pronounced expressions.
Each scan has been manually labeled with 24 facial landmarks, such as
nose tip
,
inner eye
corners
, provided that they are visible in the given scan. These feature points are summarized
in Figure 5.5.
In Figure 5.6, sample scans for subjects of different gender, ethnicity, and age are
reported. Scans also differ for pose, occlusions, and missing parts (rendering of textured and
Figure 5.6
Bosphorus database: Sample scans are shown with and without texture, and from frontal
and 45
◦
yaw views. Some scans also evidence occlusions and missing parts
