A short quiz on vision system evaluation

Adrian F. Clark

  1. What do we do if we want to see if algorithms' performances differ?

  2. What assumption underlies a null hypothesis test?

  3. What is `ground truth'?

  4. What are the axes of a ROC curve?

  5. Which corner of a ROC curve indicates the best performance?

  6. You are developing software for the Police to show mugshots of suspects to the witness of a crime. Which of the following is the best approach to take?

  7. What is a false positive?

  8. You are developing a automatic passport system for use by immigration, where pictures of people are compared to those in their passports. Which of the following is the best approach to take?

  9. When evaluating vision systems, it is normal to:

  10. What is a false negative?

  11.