Digital Image Processing

Homework 5, Due 2016/6/8

Problem 1

Ideal lowpass filter

Write a program to filter using ILPFs and obtain the results on Page 272, Figure 4.42.

Fig0442(a).bmp

 

Problem 2

Notch reject filter

Use the Butterworth notch reject filter to remove the Moire pattern on Page 296, Figure 4.64.

Fig0464(a).bmp 

 

Problem 3

Contraharmonic mean filter

(a) Apply a 3×3 contraharmonic filter of order 1.5 to Fig0508(a)(circuit-board-pepper-prob-pt1).bmp.

(b) Apply a 3×3 contraharmonic filter of order -1.5 to Fig0508(b)(circuit-board-salt-prob-pt1).bmp

 

 

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