Which of the following filter(s) attenuates low frequency while passing high frequencies of an image?
A. Unsharp mask filter
B. Highpass filter
C. Zero-phase-shift filter
D. All of the mentioned
Answer:B
Which of the following filter(s) attenuates low frequency while passing high frequencies of an image?
A. Unsharp mask filter B. Highpass filter C. Zero-phase-shift filter D. All of the mentioned