Filtering in Frequency Domain MCQ

Test your knowledge with important Filtering in Frequency Domain MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Filtering in Frequency Domain MCQs at Bissoy

• Using the feature of reciprocal relationship of filter in spatial domain and corresponding filter in frequency domain, which of the following fact is true?
  ক

  The narrower the frequency domain filter results in increased blurring

  খ

  The wider the frequency domain filter results in increased blurring

  গ

  The narrower the frequency domain filter results in decreased blurring

  ঘ

  None of the mentioned
• Which of the following filtering is done in frequency domain in correspondence to lowpass filtering in spatial domain?
  ক

  Gaussian filtering

  খ

  Unsharp mask filtering

  গ

  High-boost filtering

  ঘ

  None of the mentioned
• A frequency domain filter of the corresponding filter in spatial domain can be obtained by applying which of the following operation(s) on filter in spatial domain?
  ক

  Fourier transform

  খ

  Inverse Fourier transform

  গ

  None of the mentioned

  ঘ

  All of the mentioned
• A spatial domain filter of the corresponding filter in frequency domain can be obtained by applying which of the following operation(s) on filter in frequency domain?
  ক

  Fourier transform

  খ

  Inverse Fourier transform

  গ

  None of the mentioned

  ঘ

  All of the mentioned
• The feature(s) of a highpass filtered image is/are ___________
  ক

  Have less gray-level variation in smooth areas

  খ

  Emphasized transitional gray-level details

  গ

  An overall sharper image

  ঘ

  All of the mentioned
• Which of the following filter have a less sharp detail than the original image because of attenuation of high frequencies?
  ক

  Highpass filter

  খ

  Lowpass filter

  গ

  Zero-phase-shift filter

  ঘ

  None of the mentioned
• Which of the following filter(s) attenuates low frequency while passing high frequencies of an image?
  ক

  Unsharp mask filter

  খ

  Highpass filter

  গ

  Zero-phase-shift filter

  ঘ

  All of the mentioned
• Which of the following filter(s) attenuates high frequency while passing low frequencies of an image?
  ক

  Unsharp mask filter

  খ

  Lowpass filter

  গ

  Zero-phase-shift filter

  ঘ

  All of the mentioned
• What is the name of the filter that is used to turn the average value of a processed image zero?
  ক

  Unsharp mask filter

  খ

  Notch filter

  গ

  Zero-phase-shift-filter

  ঘ

  None of the mentioned
• To set the average value of an image zero, which of the following term would be set 0 in the frequency domain and the inverse transformation is done, where F(u, v) is Fourier transformed function of f(x, y)?
  ক

  F(0, 0)

  খ

  F(0, 1)

  গ

  F(1, 0)

  ঘ

  None of the mentioned
• What is the name of the filter that multiplies two functions F(u, v) and H(u, v), where F has complex components too since is Fourier transformed function of f(x, y), in an order that each component of H multiplies both real and complex part of corresponding component in F?
  ক

  Unsharp mask filter

  খ

  High-boost filter

  গ

  Zero-phase-shift-filter

  ঘ

  None of the mentioned
• Which of the following fact(s) is/are true for the relationship between high frequency component of Fourier transform and the rate of change of gray levels?
  ক

  Moving away from the origin of transform the high frequency corresponds to smooth gray level variation

  খ

  Moving away from the origin of transform the higher frequencies corresponds to abrupt change in gray level

  গ

  All of the mentioned

  ঘ

  None of the mentioned
• Which of the following fact(s) is/are true for the relationship between low frequency component of Fourier transform and the rate of change of gray levels?
  ক

  Moving away from the origin of transform the low frequency corresponds to smooth gray level variation

  খ

  Moving away from the origin of transform the low frequencies corresponds to abrupt change in gray level

  গ

  All of the mentioned

  ঘ

  None of the mentioned