Digital Image Processing Greylevel Transformation Online Exam Quiz
Digital Image Processing Greylevel Transformation GK Quiz. Question and Answers related to Digital Image Processing Greylevel Transformation. MCQ (Multiple Choice Questions with answers about Digital Image Processing Greylevel Transformation
What is gamma correction?
Options
A : A process to remove power-law transformation response phenomena
B : A process to remove log transformation response phenomena
C : A process to correct log transformation response phenomena
D : A process to correct power-law transformation response phenomena
The power-law transformation is given as: s = cr?, c and ? are positive constants, and r is the gray-level of image before processing and s after processing. Then, for what value of c and ? does power-law transformation becomes identity transformation?
Options
A : c = 1 and ? < 1
B : c = 1 and ? > 1
C : c = -1 and ? = 0
D : c = ? = 1
Log transformation is generally used in which of the following device(s)?
Options
A : Cathode ray tube
B : Scanners and printers
C : All of the mentioned
D : None of the mentioned
Using gray-level transformation, the basic function Logarithmic deals with which of the following transformation?
Options
A : Log and inverse-log transformations
B : Negative and identity transformations
C : nth and nth root transformations
D : All of the mentioned
Using gray-level transformation, the basic function linearity deals with which of the following transformation?
Options
A : log and inverse-log transformations
B : negative and identity transformations
C : nth and nth root transformations
D : All of the mentioned
Using gray-level transformation, the basic function power-law deals with which of the following transformation?
Options
A : log and inverse-log transformations
B : negative and identity transformations
C : nth and nth root transformations
D : all of the mentioned
Which of the following transformations expands the value of dark pixels while the higher-level values are being compressed?
Options
A : Log transformations
B : Inverse-log transformations
C : Negative transformations
D : None of the mentioned
A typical Fourier Spectrum with spectrum value ranging from 0 to 106, which of the following transformation is better to apply.
Options
A : Log transformations
B : Power-law transformations
C : Negative transformations
D : None of the mentioned
Which of the following transformation is used cathode ray tube (CRT) devices?
Options
A : Log transformations
B : Power-law transformations
C : Negative transformations
D : None of the mentioned
Which of the following transformations is particularly well suited for enhancing an image with white and gray detail embedded in dark regions of the image, especially when there is more black area in the image.
Options
A : Log transformations
B : Power-law transformations
C : Negative transformations
D : None of the mentioned
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