Explanation:
The correct answer is C (facial detection and facial recognition). In a CCTV-based security system for restricted area access, facial detection and facial recognition are used to identify and authenticate authorized staff. This technology analyzes facial features captured by the camera to match them against a database of authorized personnel, ensuring secure access.
In a CCTV-based security system for restricted area access, what computer vision technique is utilized for identifying authorized staff?
A
optical character recognition (OCR)
B
semantic segmentation
C
facial detection and facial recognition
D
image analysis
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