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IP Camera Web-Client
2. In the Blinding Threshold list, select one of the following options:
3. Click Apply.
Note To turn off camera blind detection, select Disable in the Blinding Threshold
list. Disable is the default value.
Note You must click Apply after you make changes to any settings to save those
changes. Settings are not saved unless you click Apply.
Configuring Camera Field of View Change Detection
The Web-Client application can detect tampering of the camera field of view and show an
alarm message above the video display (see Figure 4-13). To detect a change in the
camera field of view:
1. Click the Video Analytics tab.
2. In the Scene Change Threshold list, select one of the following options:
Table 4-8 Blinding Threshold Values
Value To detect …
High (80%) Maximum blinding. The alarm message appears when your
camera is blinded by 80% or more.
Medium (50%) Medium blinding. The alarm message appears when your
camera is blinded by 50% or more.
Low (30%) Minimum blinding. The alarm message appears when your
camera is blinded by 30% or more.
Table 4-9 Scene Change Threshold Values
Value To detect …
High (80%) Maximum change in the camera field of view. The alarm
message appears when tampering causes at least an 80%
change in your camera field of view.
Medium (50%) Medium change in the camera field of view. The alarm
message appears when tampering causes at least a 50%
change in your camera field of view.
Low (30%) Minimum change in the camera field of view. The alarm
message appears when tampering causes at least a 30%
change in your camera field of view.