vault backup: 2025-01-12 21:50:46

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Biometric Systems/domande orale/BS_questions.txt.md

@@ -0,0 +1,16 @@
+1. What does it mean verification? How can we evaluate system performance? What is difference between identification and verification?
+
+1. How do you evaluate the performance of a system in identification Open set? 
+2. DIR formula? DIR explaination, what is at denominator of DIR? What is PG?
+3. What are minutiae? How can i compute when a minutia report a certain kind of shape? (the answer is talking about crossing number analysis)
+4. Differences between randotypic features and genotypic features. which are more robust? Examples of randotypic traits (don't forget to name vessels pattern a randotypic)
+5. Which problems of face recognition are solved by 3D?
+6. Why behavioural features are less robust than physical ones?
+7. Physical traits that cannot be considered as hard traits
+
+
+1. Pros and cons in ear recognition
+2. Poincare index -> which singularities you can detect?
+3. CMS and CMC
+4. Multi-biometric system -> how many types (multiple instances, multiple features ecc.)
+5. Difference between visible light and near-red light in iris recognition. Which is better and in which case near-red is particular better?