CSSE463: Image Recognition Day 18

1
CSSE463 Image Recognition Day 18

• Announcements
• I need to work off campus tomorrow
• Midterm Exam Thursday
• Today
• QA for exam
• Questions on sunset detector assignment
• Lab time?

2
Example of Bayes
3
Plus-delta
4
Exam Thursday

• Closed book, notes, computer
• BUT you may bring handwritten notes (1-side of
  paper)
• You may also want a calculator.
• Similar to the written assignment in format
• Some questions from daily quizzes
• Some extensions of quizzes
• Some applications of image-processing algorithms
• Some questions asking about process you followed
  in lab
• Also 1-2 Matlab-specific questions

5
Exam Thursday

• Questions?

6
Sunset detector

• Questions?

7
Sunset detector

• How to optimize parameters, such as kernel width?
• Ill allow you to use the test set as a
  validation set (so you play with params to get
  the settings that maximize accuracy on it
  directly)