In class quiz.

Review of gray level slicing / levelsets / and bit plane slicing.

Review of Euclidean Transformations.

Linear Operations on Images

  • Image Averaging as a method of suppressing noise.

 

 Histogram equalization

  • Definition of a empirical distribution
  • Goal of histogram equalization
  • Continuous formulation
  • Discrete Implementation
  • MATLAB details and hints
  • Histogram equalization does not always enhance an image, sometimes it can reduce the dynamic range of interesting structures due to anomalies in the computed empirical distribution.
  • Lab 2 handed out and laboratory preparation homework was given.