Digital Image Processing Online Quiz Online Exam Quiz

Digital Image Processing Online Quiz GK Quiz. Question and Answers related to Digital Image Processing Online Quiz. MCQ (Multiple Choice Questions with answers about Digital Image Processing Online Quiz

What is standard deviation value for constant area?

Options

A : 0

B : 1

C : -1

D : None of the mentioned

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In terms of enhancement, what does mean and variance refers to?

Options

A : Average contrast and average gray level respectively

B : Average gray level and average contrast respectively

C : Average gray level in both

D : Average contrast in both

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For a local enhancement using mean and variance, there is one condition: ?s(x, y) ? k2DG, where, MDG is global standard deviation, k2 a positive constant and ?s(x, y) a measure of contrast at point (x, y). Then, which fact is true for k2 if its values is greater than 1.0?

Options

A : Enhancement is being done on light areas

B : Enhancement is being done on dark areas

C : Enhancement is being done independent of value of k0

D : None of the mentioned

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For a local enhancement using mean and variance, there is one condition: ?s(x, y) ? k2DG, where, MDG is global standard deviation, k2 a positive constant and ?s(x, y) a measure of contrast at point (x, y). Then, which fact is true for k2 if its values is less than 1.0?

Options

A : Enhancement is being done on light areas

B : Enhancement is being done on dark areas

C : Enhancement is being done independent of value of k0

D : None of the mentioned

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In Histogram Matching or Specification, z = G-1[T(r)], r and z are gray level of input and output image and T & G are transformations, to confirm the single value and monotonous of G-1 what of the following is/are required?

Options

A : G must be strictly monotonic

B : G must be strictly decreasing

C : All of the mentioned

D : None of the mentioned

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Inverse transformation plays an important role in which of the following Histogram processing Techniques?

Options

A : Histogram Linearization

B : Histogram Equalization

C : Histogram Matching

D : None of the mentioned

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The technique of Enhancement that has a specified Histogram processed image as result, is called?

Options

A : Histogram Linearization

B : Histogram Equalization

C : Histogram Matching

D : None of the mentioned

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Which of the following histogram processing techniques is global?

Options

A : Histogram Linearization

B : Histogram Specification

C : Histogram Matching

D : All of the mentioned

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For a local enhancement using mean and variance, there is one condition: ms(x, y) ? k0 MG, where, MG is global mean, k0 a constant and ms(x, y) a measure of gray value as light or dark at point (x, y). Then, which fact is true for k0?

Options

A : It is a negative constant with values less than -1.0

B : It is a positive constant with values less than 1.0

C : It is an integer constant with values between -1.0 and 1.0

D : None of the mentioned

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In Histogram Matching r and z are gray level of input and output image and p stands for PDF, then, what does pz(z) stands for?

Options

A : Specific probability density function

B : Specified pixel distribution function

C : Specific pixel density function

D : Specified probability density function

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