Defocus Detection - HIKVISION DS-9616NI-I8 User Manual

Step 3 Select a camera to configure.
Step 4 Check Enable Sudden Scene Change Detection.
Step 5 Optionally, check Save VCA Picture to save the captured sudden scene change detection pictures.
Step 6 Drag the Sensitivity slider to set the detection sensitivity. Sensitivity range: [1-100]. The higher the
value, the more easily the change of scene can trigger the alarm.
Step 7 Set the arming schedule. Refer to Chapter 11.1 Configure Arming Schedule.
Step 8 Set the linkage actions. Refer to Chapter 11.2 Configure Alarm Linkage Actions.
Step 9 Click Apply.

12.11 Defocus Detection

Purpose
Image blur caused by lens defocus can be detected.
Step 1 Go to System > Event > Smart Event.
Step 2 Click Defocus.
Network Video Recorder User Manual
Figure 12-10 Sudden Scene Change
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