____________ 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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