VIVOTEK
72 - User's Manual
Analytics rules - Flow Path Counting (3rd type)
• Counting rules
:
The Counting rule configuration enhances count accuracy with configurable preferences if
people linger or make U turns in the FOV.
One presumption is that a moving object must stay within the FOV during its movement
for the Counting modes to take effect. If an object moves out of the FOV, the counting re-
starts and the counting modes will not apply.
FOV
Detection Zone
In
Out
Two options are available
1.
Exclude U turn
:
This mode is the system default. The counting events will be counted only after the object
exit the detected area of streaming. For example, an object crosses the counting line back
and forth for several times, and during the period, the object didn't exit the FOV. The object
will not be counted until it exit the detected area. The counting rule will count the object
only once at the moment when the object exits the detection area.
2.
Include U turn from the outside
:
The difference of the Include U turn mode from the Exclude U turn mode lies in the side
where an object enters the scene.
Several possible behaviors are illustrated as follows:
