AI-900 · Question #227
AI-900 Question #227: Real Exam Question with Answer & Explanation
The correct answer is C: facial detection and facial recognition. A security system granting entry based on CCTV analysis uses facial detection to locate faces and facial recognition to identify authorized individuals.
Question
You have a security system that analyzes images from CCTV to provide authorized staff entry into restricted area. Which type of computer vision does the system use?
Options
- Aoptical character recognition (OCR)
- Bsemantic segmentation
- Cfacial detection and facial recognition
- Dimage analysis
Explanation
A security system granting entry based on CCTV analysis uses facial detection to locate faces and facial recognition to identify authorized individuals.
Common mistakes.
- A. Optical character recognition (OCR) is used to extract text from images, which is not the primary function for granting access based on a person's identity.
- B. Semantic segmentation assigns a class label to each pixel in an image (e.g., "person," "door"), but it does not identify specific individuals for access control.
- D. Image analysis is a broad term that encompasses many computer vision tasks, but "facial detection and facial recognition" is the specific and most accurate description for identifying individuals for access control.
Concept tested. Facial detection and recognition for access control
Reference. https://learn.microsoft.com/en-us/azure/ai-services/face/overview
Topics
Community Discussion
No community discussion yet for this question.