Q.1
____________ filter is known as averaging filters.
  • a) Bandpass
  • b) Low pass
  • c) High pass
  • d) None of the Mentioned
Q.2
What is/are the resultant image of a smoothing filter?
  • a) Image with reduced sharp transitions in gray levels
  • b) Image with high sharp transitions in gray levels
  • c) None of the mentioned
  • d) All of the mentioned
Q.3
The response for linear spatial filtering is given by the relationship __________
  • a) Difference of filter coefficient’s product and corresponding image pixel under filter mask
  • b) Product of filter coefficient’s product and corresponding image pixel under filter mask
  • c) Sum of filter coefficient’s product and corresponding image pixel under filter mask
  • d) None of the mentioned
Q.4
___________ is/are the feature(s) of a highpass filtered image.
  • a) An overall sharper image
  • b) Have less gray-level variation in smooth areas
  • c) Emphasized transitional gray-level details
  • d) All of the mentioned
Q.5
The filter order of a Butterworth lowpass filter determines whether it is a very sharp or extremely smooth filter function, or an intermediate filter function. Which of the following filters does the filter approach if the parameter value is very high?
  • a) Gaussian lowpass filter
  • b) Ideal lowpass filter
  • c) Gaussian & Ideal lowpass filters
  • d) None of the mentioned
Q.6
Which of the following image component is characterized by a slow spatial variation?
  • a) Reflectance and Illumination components
  • b) Reflectance component
  • c) Illumination component
  • d) None of the mentioned
Q.7
Gamma Correction is defined as __________
  • a) Light brightness variation
  • b) A Power-law response phenomenon
  • c) Inverted Intensity curve
  • d) None of the Mentioned
Q.8
____________________ is known as the highlighting the contribution made to total image by specific bits instead of highlighting intensity-level changes.
  • a) Bit-plane slicing
  • b) Intensity Highlighting
  • c) Byte-Slicing
  • d) None of the Mentioned
Q.9
Which gray-level transformation increases the dynamic range of gray-level in the image?
  • a) Negative transformations
  • b) Contrast stretching
  • c) Power-law transformations
  • d) None of the mentioned
Q.10
What is/are the gray-level slicing approach(es)?
  • a) To brighten the pixels gray-value of interest and preserve the background
  • b) To give all gray level of a specific range high value and a low value to all other gray levels
  • c) All of the mentioned
  • d) None of the mentioned
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