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Defocus Detection
The Defocus Detection feature enables you to sense a change of environment affected by external factors. The camera recognizes when a defocus event occurs, and can be set to sound an alarm or send a notification whenever image blur occurs.
Features and Benefits
Easily configure Intrusion Detection to identify objects that meet certain requirements:
- Easily configure Defocus Detection to set up a schedule for when the camera senses for loss of image sharpness
- Adjustable camera sensitivity allows you to set the Defocus Detection sensitivity (range: 1 to 100), to prevent false alarms and/or event triggers
- The VCA Search feature saves time by allowing you to quickly find, review and download video of Defocus Detection events
- The Video Playback feature allows you to easily review and analyze Defocus Detection events
Recommended Applications:
- Airports
- Banks
- Car Parks
- Construction Sites
- Correctional Facilities
- Home Porches / Decks
- Parking Lots
- Schools
- Transit Stations
- …and more
Defocus may be caused by:
- Dirty or dusty lens cover
- Weather-related events (snow, rain, fog, etc.) interfering with proper focusing of the camera
- Vandalism or intentional rotation of the camera or lens
- Intentional obstruction of field of view with an object or substance (paint, tape, etc.)
- Accidental obstruction of field of view by a tree branch or stray item blowing in the wind
