Quiz lié à un guide · Moyen Niveau
Quiz sur la reconnaissance faciale
Évaluez la comparaison des visages par tâche et par galerie, vérifiez les taux d'erreur et les conditions des images, et utilisez des mesures de protection pour la confidentialité et les décisions qui en découlent.
Question 1 de 8
A phone compares a live face with one enrolled image. Which task is this?
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- A phone compares a live face with one enrolled image. Which task is this?
- One-to-one verification
- One-to-many gallery identification
- Reconnaissance des émotions
- Segmentation d'images
- A search compares one probe image against a large collection. What task is being performed?
- One-to-one verification
- One-to-many identification
- Face detection only
- Age estimation
- Why should gallery size be considered when evaluating a search result?
- Gallery size fixes image quality
- More candidates prove identity
- A low false-match rate per comparison does not fully describe a large-gallery search
- It makes privacy review unnecessary
- Which conditions can affect facial-comparison performance?
- Only the file extension
- The subject’s profession
- The time of day the system was installed
- Lighting, pose, image resolution and age differences between images
- Why report false matches and false non-matches separately?
- They always occur at the same rate
- They represent different errors with different consequences
- One metric proves identity
- They measure emotion
- A system returns a candidate list. How should it be used in a consequential process?
- As a conclusive identity declaration
- As proof of intent
- As a lead for appropriate corroboration and review
- As a substitute for privacy controls
- What does a similarity result establish?
- A comparison measurement under specified conditions, not identity certainty or intent
- A person’s character
- A person’s emotional state
- A verified legal identity in every setting
- Which safeguards belong in a deployment review?
- Only match speed
- Only the camera brand
- Publicly sharing the gallery
- Collection, retention, consent, access and challenge procedures