Go to documentation repository
Page History
Face detection works properly if cameras are installed and set up as follows:
- The frame rate
...
- should not be less than 12 fps and not less than 6 fps for face recognition at turnstiles.
The maximum angle
...
of frontal perspective of the photos of people’s faces received from video cameras should not exceed +/- 15 °
...
.
...
- The distance between the pupils on the
...
- photos of
...
- people’s faces received from video cameras should not be less than 32 pixels.
...
- Mutual faces covering should be
...
- minimal.
...
- Faces should be evenly illuminated with
...
- diffused light of at least 200 lux. Directional side lighting is not allowed.
- The
...
- contrast of the photos of the captured faces
...
- should be over 64 grayscale.
...
- Insufficient or
...
- excessive lighting is not allowed.
- There should be no
...
- backlighting and sharp gradients of light and shade.
- The photos of the captured faces received from video cameras should be clear. Image blurring caused by motion is not allowed.
| Info | ||
|---|---|---|
| ||
The required distance between the camera and the face can be set using a lens with the required focal length. |
Overview
Content Tools