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4.4.1
Abnormality
This function can detect changes in the surveillance environment affected by the external factors.
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Æ
Abnormality interface as shown below.
1. Enable the
applicable detection that’s desired
.
Video Blur Detection
: Alarms will be triggered if the video becomes blurry.
2. Set the alarm holding time and alarm trigger options. The setup steps are the same as motion detection. Please refer to
motion detection chapter for details.
3. Click “Save” button to sav
e the settings.
4. Set the sensitivity of the exception detection. Click “Sensitivity” tab to go to the interface as shown below.
Drag the slider to set the sensitivity value or directly enter
the sensitivity value in the textbox. Click “Save” button to save the
settings.
The sensitivity value of Video Blur Detection
: The higher the value is, the more sensitive the system responds to the
blurriness of the image.
※
The requirements of camera and surrounding area
1. Auto-focusing function should not been enabled for exception detection.
2. Try not to enable exception detection when light changes greatly in the scene.
4.4.2
Line Crossing
Line Crossing
: Alarms will be triggered if the target crosses the defined alarm lines.
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Æ
Line Crossing interface as shown below.
1. Enable line crossing alarm and set the alarm holding time.
