Currently, little three-dimensional face data is publicly available and nothing towards the magnitude of data that we require for development and testing of our recognition systems. Therefore, we began populating our own 3D face database. Ten facial surfaces of 97 different people were captured, under the conditions shown below.
|
Surface |
Expression |
Orientation |
Distance |
|
1 |
Neutral |
Frontal view |
Medium (1.5-2m) |
|
2 |
Neutral |
Frontal view |
Close (0.5-1m) |
|
3 |
Neutral |
Head turned left |
Medium (1.5-2m) |
|
4 |
Neutral |
Head turned right |
Medium (1.5-2m) |
|
5 |
Neutral |
Head turned upwards |
Medium (1.5-2m) |
|
6 |
Neutral |
Head turned downwards |
Medium (1.5-2m) |
|
7 |
Happy |
Frontal view |
Medium (1.5-2m) |
|
8 |
lternative (frown) |
Frontal view |
Medium (1.5-2m) |
|
9 |
Neutral |
Frontal view |
Medium (1.5-2m) |
|
10 |
Neutral, with hand partially covering |
Frontal view |
Medium (1.5-2m) |
During
capture, no effort was made to control the lighting conditions. In order to capture facial surfaces at various head
orientations, the subjects are asked to face towards reference points positioned
roughly at 45 degrees to the left, right, above and below the camera, but no
effort was made to enforce a precise angle of orientation. Examples of the 10 models captured for each person are shown
below.
The second stage in our research required the expansion of our current 3D face data to include a much larger test set. This has now been completed with the help of several departments at the University of York, together with external collaboration of Cybula Ltd. The database has now been populated with facial models captured under a much wider variety of conditions. This new database is intended to provided a platform for testing 3D face recognition systems on a scale to match those carried out on the 2D FERET (Face Recognition Technology) database in the FRVT (Face Recognition Vendor Tests). The table below shows the capture conditions for each subject in the database.
|
ID |
Description |
|
01 |
Front facing, neutral expression, optimum
distance from camera (1.7m from unit to nose tip) |
|
02 |
Neutral expression, (whole body) facing roughly 45
degrees left |
|
03 |
Neutral expression, (whole body) left side
profile (90 degrees left) |
|
04 |
Neutral expression, (whole body) facing roughly 45
degrees right. |
|
05 |
Neutral expression, (whole body) right side
profile (90 degrees right) |
|
06 |
Neutral expression, facing roughly 45 degrees up. |
|
07 |
Neutral expression, facing roughly 45 degrees down. |
|
08 |
Front facing, smiling (Happiness level 1). |
|
09 |
Front facing, eyes closed. |
|
10 |
Front facing, angry expression (Anger level
1). |
|
11 |
Front facing, neutral expression. |
|
12 |
Front facing, eyebrows raised. |
|
13 |
Front facing, mouth slightly parted. |
|
14 |
Front facing, neutral expression, no glasses. |
|
15 |
Front facing, neutral expression, no glasses, further
away from the camera (1.9m from unit to nose tip). |
The database currently consists of over 5000 3D face models of approximately 350 people (15 models each). Some snap-shot examples of these 3D models are shown below.
To enquire about use of the UOY 3D Face Database click: UoY 3D Face Database enquiry . This directs your email to the appropriate staff at Cybula Ltd.