4 Hysteresis
The algorithm validates a crossing event only when a person has fully crossed the two zones. It does not validate
the event when the person remains for a long time under the FoV or when the person decides to return from the
place he came from.
This is illustrated in the figure below: the algorithm stops and the list of states is reset as soon as no-one is
detected in any of the two FoVs.
Figure 5. Hysteresis principle
UM2600
Hysteresis
UM2600 - Rev 2
page 5/15
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