Vivotek SC8131 User Manual page 14

VIVOTEK
3. By building a 3D depth map from an overhanging position, the objects' height information
can be acquired, and thus the drawbacks of 2D video counting can be eliminated.
The silhouette of heads and shoulders and their relative depth information enable the
camera to distinguish human activities from the background and other objects, such as
shadows, shopping carts, and dogs.
head
shoulder
150cm
Min. height
53cm
Ground
4. The receommended installtion position is 2.4m ~ 3.6m. Higher position is also allowed.
For positions higher than 3.6m, you can also use the Zoom-in mode operation.
4-1. Use a spirit level to ensure the camera is installed level.
4-2. Use a laser distance meter to measure the installation height. The height
information MUST BE correctly measured and entered in the camera's configuration
page.
delete
4-3. Please
(the height of camera canister) = 246cm. The reason for doing so is because the
lenses are at the lower edge of the canister.
Ceiling height - camera canister height (4cm)
2.4 m ~3.6 m
Software config.
page
14 - User's Manual
28cm
Detected as non-human
the height of the camera canister, e.g., 250cm (ceiling height) -4cm
Detected as human
+