
135
sign on the road or use tools to test the actual length.)
Since these tilt lines have the same actual length, while according to the camera modeling mode, the
line at the near sight is large while the line at the far sight is small, so, when you are drawing near the
camera, the line shall be longer and when you are drawing far away the camera, the line shall be
short.
Calibration verify: After you set the gauge, please use tool to check the parameters. If the verification
error is huge, please adjust the setup slightly or reset to reduce the error.
3.14.4
Face Detect (Optional)
When camera detects human face, system can generate an alarm.
From main menu->Setting->Event->Face detect, the interface is shown as in Figure 3-130
.
Enable: Check the box to enable face detection function.
Face ROI (Region of Interest): Check the box here, system can enhance the human face display
pane.
Log: Check the box here, system can record face detect log.
User may refer to the chapter 3.14.1.1 to set other parameters.
Click OK to complete the setup.
Figure 3-130
3.14.5
People Counting (Optional)
System can calculate the entry/exit people amount in the specified zone. It can generate an alarm when
the amount has exceeded the threshold.
From main menu->Setting->Event->People counting, user may see an interface shown as in Figure
3-131.
Enable: Check the box to enable people counting function.
OSD overlay: Check the box here; user may view the people amount on the surveillance video.
Summary of Contents for DNA3500 Series
Page 2: ...DNA Network Video Recorder User s Manual V 5 2 0...
Page 123: ...110 Figure 3 98 Figure 3 99 Figure 3 100...
Page 135: ...122 Figure 3 116 Click draw button to draw the zone See Figure 3 117...
Page 139: ...126 Figure 3 120 Click Draw button to draw a zone See Figure 3 121 Figure 3 121...
Page 144: ...131 Figure 3 126 Click draw button to draw the zone See Figure 3 127...
Page 158: ...145 Figure 3 139 Figure 3 140...
Page 159: ...146 Figure 3 141 Figure 3 142...
Page 160: ...147 Figure 3 143 Figure 3 144...
Page 162: ...149 Figure 3 146 Figure 3 147...
Page 187: ...174 Figure 3 173 Figure 3 174...
Page 255: ...242 Figure 4 53 Figure 4 54...
Page 256: ...243 Figure 4 55 Figure 4 56...
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