CST Video Analytics & AI Surveillance 2

Question 1

Which AI surveillance capability uses biometric data to identify individuals from camera footage?

Accepted Answer

Facial recognition

Answer

Facial recognition analyzes biometric facial features from video footage to identify or verify individuals against a database.

Question 2

What is Automatic License Plate Recognition (ALPR) primarily used for in surveillance?

Accepted Answer

Capturing and reading vehicle license plate numbers for identification

Answer

ALPR systems use optical character recognition to capture and read license plate numbers, enabling vehicle tracking, access control, and law enforcement support.

Question 3

What does 'crowd density analysis' in video analytics help security personnel determine?

Accepted Answer

The number and distribution of people in an area to identify overcrowding

Answer

Crowd density analysis estimates the number of people in a given area and their distribution, helping identify dangerous overcrowding conditions in real time.

Question 4

When configuring video analytics for outdoor surveillance, which environmental factor most commonly causes false positives?

Accepted Answer

Moving trees, shadows, and lighting changes

Answer

Outdoor environments with moving foliage, shifting shadows, and fluctuating lighting conditions frequently trigger false positives in motion-based video analytics.

Question 5

What is 'object left behind' (abandoned object) detection used for in security analytics?

Accepted Answer

Alerting when an unattended item remains stationary in a monitored area

Answer

Abandoned object detection identifies when an item has been left in a scene for longer than a defined period, a common indicator of a potential security threat.

(CST) Certified Surveillance Technician Practice Test

(CST) Certified Surveillance Technician Practice Test

CST Video Analytics & AI Surveillance 2