Ai Search (Smd); Vehicle Density; Enabling Smart Plan; Configuring Vehicle Density - Dahua NVR21-4KS3 Series User Manual

Parameter
Buzzer
Log
Alarm Tone
Click Apply.
Step 8

5.9.14.3 AI Search (SMD)

You can search for and play back videos that triggered SMD alarms.
Procedure
Select Main Menu > AI > AI Search > SMD.
Step 1
Step 2 Select channel, type, start time and end time, and then click Search.
● Click
● Select a video and click Export to export video file to a USB flash drive.

5.9.15 Vehicle Density

You can configure the rules for traffic congestion and parking upper limit, , and view the counting
data on the live page.
● Traffic congestion: The system counts the vehicles in the detection area. When the counted
vehicle number and the continuous congestion time exceed the configured values, an alarm is
triggered and the system performs an alarm linkage.
● Parking upper limit: The system counts the vehicles in the detection area. When the counted
vehicle number exceeds the configured value, an alarm triggered and the system performs an
alarm linkage.

5.9.15.1 Enabling Smart Plan

To use AI by camera, you need to enable the smart plan first. For details, see "5.9.3 Smart Plan".

5.9.15.2 Configuring Vehicle Density

Procedure
Step 1 Select Main Menu > AI > Parameters > Vehicle Density.
Description
The system activates the buzzer when an alarm occurs.
When an alarm occurs, the system records the event in the logs.
When an alarm occurs, the system plays the selected audio file.
Make sure that the audio files have been uploaded to the system. For
details, see "5.18.1 File Management".
to play back the video.
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User's Manual