CEG4311

Images for section 2.2.7

Importance of Phase

· Original Barbara image b(x,y)

· Fourier transform magnitude of Barbara image log(|B(u,v)|)

· Inverse Fourier transform of magnitude |B(u,v)|

· Inverse Fourier transform of phase B(u,v)/|B(u,v)|

FIR Filter Example 2.7

· Frequency response

· Test pattern

· Filter output

· m-file for this example

FIR Filter Example 2.8

· Original zone-plate

· Filtered zone-plate

· Original Barbara image

· Filtered Barbara image