Lecture 3        

Background Subtraction 1	Rank Filtering 1
Background Subtraction 2	Rank Filters
Fast Fourier Transformation	Rank Filters 2
Fast Fourier transformation 2	Sharpening Filter 1
Histogram Equalization	Sharpening Filter
Inverse Linear Scale	Smoothing 1
Intensity Transformation Functions (ITF's)	Smoothing Filters
ITF's Equal Area Full Scale	Spatial Convolution
Linear Expanded Scale	Spatial Frequency
Look-up Tables	Uneven Illumination
Processing in Spatial Domain