Q. Which of the following is the primary objective of sharpening of an image?

View solution

Q. Image sharpening process is used in electronic printing.

View solution

Q. In spatial domain, which of the following operation is done on the pixels in sharpening the image?

View solution

Q. Image differentiation enhances the edges, discontinuities and deemphasizes the pixels with slow varying gray levels.

View solution

Q. In which of the following cases, we wouldn’t worry about the behaviour of sharpening filter?

View solution

Q. Which of the following is the valid response when we apply a first derivative?

View solution

Q. Which of the following is not a valid response when we apply a second derivative?

View solution

Q. If f(x,y) is an image function of two variables, then the first order derivative of a one dimensional function, f(x) is:

View solution

Q. Isolated point is also called as noise point.

View solution

Q. What is the thickness of the edges produced by first order derivatives when compared to that of second order derivatives?

View solution

Q. First order derivative can enhance the fine detail in the image compared to that of second order derivative.

View solution

Q. Which of the following derivatives produce a double response at step changes in gray level?

View solution

Q. The objective of sharpening spatial filters is/are to ___________

View solution

Q. Sharpening is analogous to which of the following operations?

View solution

Q. Which of the following fact(s) is/are true about sharpening spatial filters using digital differentiation?

View solution

Q. Which of the facts(s) is/are true for the first order derivative of a digital function?

View solution

Q. Which of the facts(s) is/are true for the second order derivative of a digital function?

View solution

Q. The derivative of digital function is defined in terms of difference. Then, which of the following defines the first order derivative ∂f/∂x= ___________ of a one-dimensional function f(x)?

View solution

Q. The derivative of digital function is defined in terms of difference. Then, which of the following defines the second order derivative ∂2 f/∂x2 = ___________ of a one-dimensional function f(x)?

View solution

Q. What kind of relation can be obtained between first order derivative and second order derivative of an image having a on the basis of edge productions that shows a transition like a ramp of constant slope?

View solution