Digital Image Processing Questions Bank Online Exam Quiz
Digital Image Processing Questions Bank GK Quiz. Question and Answers related to Digital Image Processing Questions Bank. MCQ (Multiple Choice Questions with answers about Digital Image Processing Questions Bank
What is the sum of the coefficient of the mask defined using gradient?
Options
A : 1
B : -1
C : 0
D : None of the mentioned
Gradient have some important features. Which of the following is/are some of them?
Options
A : Enhancing small discontinuities in an otherwise flat gray field
B : Enhancing prominent edges
C : All of the mentioned
D : None of the mentioned
A First derivative in image processing is implemented using which of the following given operator(s)?
Options
A : Magnitude of Gradient vector
B : The Laplacian
C : All of the mentioned
D : None of the mentioned
If for an image function f(x, y), the magnitude of gradient vector is given by: mag(?f)=[G2x+G2y] (1/2), then which of the following fact is correct?
Options
A : The component of Gradient vector are linear operator and also the magnitude of the vector
B : The component of Gradient vector are linear operator, but the magnitude are not
C : The component of Gradient vector are nonlinear operator and also the magnitude of the vector
D : The component of Gradient vector are nonlinear operator, but the magnitude are not
An image has significant edge details. Which of the following fact(s) is/are true for the gradient image and the Laplacian image of the same?
Options
A : The gradient image is brighter than the Laplacian image
B : The gradient image is brighter than the Laplacian image
C : Both the gradient image and the Laplacian image has equal values
D : None of the mentioned
Gradient is used in which of the following area(s)?
Options
A : To aid humans in detection of defects
B : As a preprocessing step for automated inspections
C : All of the mentioned
D : None of the mentioned
“For very large value of A, a high boost filtered image is approximately equal to the original image”. State whether the statement is true or false?
Options
A : True
B : False
C :
D :
Subtracting Laplacian from an image is proportional to which of the following?
Options
A : Unsharp masking
B : Box filter
C : Median filter
D : None of the mentioned
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