HIKVISION iDS-9664NXI-M8/X User Manual page 113

2. Check Enable.
3. Set Capture Interval, Frequency Threshold, and Statistics Cycle.
Capture Interval
When a person has appeared several times within the capture interval, it only counts 1 time
for this person.
Frequency Threshold
It will trigger alarm when the frequency has exceeded the threshold.
Statistics Cycle
Time period for counting the people frequency. For example, if the statistics cycle is 7 days,
device will count people frequency in the last 7 days (including today), if a person has
exceeded the frequency threshold in the last 7 days, it will trigger alarm.
4. Click Linked Channel to select channel.
5. Click Linked Face Picture Library to select face picture library.
6. Set similarity for the selected library.
7. Set strategy as Filter or Alarm.
Filter
If the face picture similarity has exceeded the value, the face picture is considered as an
existing member in the library, which will not trigger alarm.
Alarm
It will trigger alarm when the face picture similarity and frequency has exceeded the threshold.
Network Video Recorder User Manual
Figure 7-8 Frequently Appeared Person
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