Defocus Detection

Image blur caused by lens defocus can be detected.

1. Go to Smart Analysis > Smart Event Settings > Other Events.
2. Select a camera.
3. Click Defocus.
   Figure 1 Defocus Detection
4. Check Enable.
5. Optional: Check Save VCA Picture to save the captured defocus detection pictures.
6. Set the detection sensitivity.

   Sensitivity

   Sensitivity range: [1-100]. The higher the value is, the more easily the defocus image will be detected.

7. Set the arming schedule. Refer to Configure Arming Schedule.
8. Set the linkage actions. Refer to Configure Linkage Actions.
9. Click Apply.