Q. What kind of relation can be obtained between the response of first order derivative and second order derivative of an image having a transition into gray-level step from zero?

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Q. If in an image there exist similar change in gray-level values in the image, which of the following shows a stronger response using second order derivative operator for sharpening?

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Q. The principle objective of Sharpening, to highlight transitions is ________

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Q. How can Sharpening be achieved?

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Q. What does Image Differentiation enhance?

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Q. What does Image Differentiation de-emphasize?

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Q. The requirements of the First Derivative of a digital function:

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Q. What is the Second Derivative of Image Sharpening called?

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Q. The ability that rotating the image and applying the filter gives the same result, as applying the filter to the image first, and then rotating it, is called _____________

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Q. For a function f(x,y), the gradient of ‘f’ at coordinates (x,y) is defined as a ___________

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Q. Where do you find frequent use of Gradient?

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Q. Which of the following occurs in Unsharp Masking?

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Q. Which of the following make an image difficult to enhance?

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Q. Which of the following is a second-order derivative operator?

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Q. Response of the gradient to noise and fine detail is _____________ the Laplacian’s.

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Q. Dark characteristics in an image are better solved using ___________

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Q. What is the smallest possible value of a gradient image?

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Q. Which of the following fails to work on dark intensity distributions?

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Q. _____________ is used to detect diseases such as bone infection and tumors.

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Q. How do you bring out more of the skeletal detail from a Nuclear Whole Body Bone Scan?

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