CST Video Analytics & AI Surveillance

Question 1

What is the primary function of video analytics in a surveillance system?

Accepted Answer

Automatically analyzing video content to detect events or behaviors

Answer

Compressing video for storage

Answer

Enhancing camera resolution

Answer

Managing user access permissions

Question 2

Which video analytic feature is most useful for detecting unauthorized entry through a restricted perimeter?

Accepted Answer

Virtual tripwire / line crossing detection

Answer

Motion blur detection

Answer

Color histogram analysis

Answer

Frame rate monitoring

Question 3

What does 'false positive rate' mean in the context of video analytics?

Accepted Answer

The frequency of alerts triggered when no actual threat exists

Answer

The percentage of events detected but not recorded

Answer

The number of times analytics fail to detect a real event

Answer

The delay between an event and its detection

Question 4

Which of the following is an example of object classification in video analytics?

Accepted Answer

Distinguishing between a person, vehicle, and animal in a scene

Answer

Measuring pixel brightness levels

Answer

Adjusting camera focus automatically

Answer

Calculating video bitrate

Question 5

What is 'loitering detection' in video analytics designed to identify?

Accepted Answer

Individuals remaining in an area longer than a set time

Answer

Objects moving faster than a defined speed threshold

Answer

Cameras that have gone offline

Answer

Objects left unattended in a scene

Question 6

In AI-based surveillance, what is a 'region of interest' (ROI)?

Accepted Answer

A defined area within a camera's field of view where analytics are applied

Answer

A camera with the highest resolution

Answer

The storage location for critical video footage

Answer

A network segment reserved for surveillance traffic

Question 7

What is the main advantage of edge-based video analytics versus server-based analytics?

Accepted Answer

Edge analytics processes video on the camera itself, reducing network load

Answer

Edge analytics requires more bandwidth

Answer

Server-based analytics is faster than edge analytics

Answer

Edge analytics only works with analog cameras