Example 1: A Simple Block

 

                     

Image of a block                                               Its Fourier Transform

 

Fourier for IDEAL LOW PASS CUTOFF = 50

Image for IDEAL LOW PASS CUTOFF = 50

 

 

Fourier for IDEAL HIGH PASS CUTOFF = 50

 

Image for above

 

Fourier for BUTTERWORTH LOW PASS CUTOFF = 40

Image for above

 

Fourier for BUTTERWORTH HIGH PASS CUTOFF = 40

Image for above