Dahua HDBW2831R-ZAS, Operation Manual

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Operation Manual
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Figure 5-79 Fall detection
Step 3 (Optional) Click Clear to delete the default rule box, and then click Draw Rule to draw a
detection area in the image.
●
When configuring
People No. Error
for a recording & broadcasting device, draw the
front of a classroom as the detection area.
●
When configuring
Stand Detection
for a recording & broadcasting device, draw the
area where the students stay as the detection area.
●
When configuring
Activation Analysis
, draw the front of a classroom as the detection
area.
●
When configuring
Back Detection
, draw the front of a classroom as the detection area.
●
When configuring Blackboard Writing Detection , draw the blackboard as the
detection area, and make sure that the detection are larger than the blackboard. Click
Draw Close-up Area draw the blackboard as the close-up area.
●
For other devices without special requirements, use the default box of the system
(draw the full screen as the detection area).
Step 4 Set parameters.
Parameters for recording device and common device are different. The actual interface
shall prevail.
Table 5-22 Description of stereo analysis parameters
Parameter Description
Sensitivity
Set the alarm-triggered sensitivity. The higher the sensitivity is, the
easier the alarm will be triggered.
Alarm People Amount
When configuring People No. Error , set the alarm people amount