Q. What is a band-limited function?

View solution

Q. For a band-limited function, which Theorem says that “if the function is sampled at a rate equal to or greater than twice its highest frequency, the original function can be recovered from its samples”?

View solution

Q. What is the name of the phenomenon that corrupts the sampled image, and how does it happen?

View solution

Q. How aliasing does corrupts the sampled image?

View solution

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

View solution

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

View solution

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 ____________

View solution

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?

View solution

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 ___________

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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”.

View solution

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 ____________

View solution

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 ____________

View solution

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

View solution

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:

View solution

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

View solution

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

View solution