Q. How aliasing does corrupts the sampled image?

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Q. How can one reduce the aliasing effect on an image?

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Q. In terms of Sampling and Quantization, Zooming and Shrinking may be viewed as ___________

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Q. The two steps: one is the creation of new pixel locations, and other is the assignment of gray levels to those new locations are involved in ____________

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Q. While Zooming, In order to perform gray-level assignment for any point in the overlay, we assign its gray level to the new pixel in the grid its closest pixel in the original image. What’s this method of gray-level assignment called?

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Q. A special case of nearest neighbor Interpolation that just duplicates the pixels the number of times to achieve the desired size, is known as ___________

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Q. Nearest neighbor Interpolation has an undesirable feature, that is _________

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Q. What does the bilinear Interpolation do for gray-level assignment?

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Q. Row-column deletion method of Image Shrinking is an equivalent process to which method of Zooming?

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Q. Image Shrinking has an undesirable feature, that is ____________

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Q. State for the validation of the statement:

“In general-purpose for a digital image of zooming and shrinking, where Bilinear Interpolation generally is the method of choice over nearest neighbor Interpolation”.

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Q. A pixel p at coordinates (x, y) has neighbors whose coordinates are given by:
(x+1, y), (x-1, y), (x, y+1), (x, y-1)
This set of pixels is called ____________

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Q. A pixel p at coordinates (x, y) has neighbors whose coordinates are given by:
(x+1, y+1), (x+1, y-1), (x-1, y+1), (x-1, y-1)
This set of pixels is called ____________

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Q. What is the set of pixels of 8-neighbors of pixel p at coordinates (x, y)?

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Q. Two pixels p and q having gray values from V, the set of gray-level values used to define adjacency, are m-adjacent if:

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Q. Let S, a subset of pixels in an image, is said to be a connected set if:

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Q. Let R be a subset of pixels in an image. How can we define the contour of R?

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Q. The domain that refers to image plane itself and the domain that refers to Fourier transform of an image is/are :

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Q. What is the technique for a gray-level transformation function called, if the transformation would be to produce an image of higher contrast than the original by darkening the levels below some gray-level m and brightening the levels above m in the original image.

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Q. For Image Enhancement a general-approach is to use a function of values of f (input image) in a predefined neighborhood of (x, y) to determine the value of g (output image) at (x, y). The techniques that uses such approaches are called ________

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