Configuring Video Analytics
59
Note
Only one kind of motion detection (motion detection, intrusion
detection or people detection) can be enabled at a time.
Configuring Tampering Detection Settings
Go to Setup Video Analytics Tampering Detection.
This section explains how to configure camera tamper detection settings. With tamper
detection, the camera is capable of detecting incidents such as redirection, blocking or
defocusing, or even spray paint.
Figure 6-6 Tampering Detection Configurations
Tampering detection: Check to enable tampering detection.
Image too dark detection: Check to enable image too dark detection. Too dark can be a cover
on the camera or a spraying paint on the camera.
Image too bright detection: Check to enable image too bright detection. Too bright can be a
flash light shining to the camera.
Image too blurry detection: Check to enable image too blurry detection. To blurry can be the
result of strong interference on the camera, such as EMI interference.
Trigger duration: It specifies a set of time before the tampering is considered as a real alarm.
This helps avoid false alarms by short-lived changes.
Trigger threshold: It determines how sensitive the tamper detection setting is. The lower the
threshold value, the easier the detection is triggered.
You can configure Tampering Detection as a trigger element to the proactive event
configurations in Video Analytics
Event settings Trigger. For example, when the
camera is tampered with, camera can be configured to send the pre- and post-event video
clips to a networked storage device. For more information, see
Trigger on page 63.
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