Welcome to the Image Enhancement MCQs Page

Dive deep into the fascinating world of Image Enhancement with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Image Enhancement, a crucial aspect of Digital Image Processing (DIP). In this section, you will encounter a diverse range of MCQs that cover various aspects of Image Enhancement, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Digital Image Processing (DIP).


Check out the MCQs below to embark on an enriching journey through Image Enhancement. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Digital Image Processing (DIP).

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Image Enhancement. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Image Enhancement MCQs | Page 1 of 11

The principal factor to determine the spatial resolution of an image is _______
Answer: (b).Sampling
Answer: (a).Caused by the use of an insufficient number of gray levels in smooth areas of a digital image
What is the name of the effect caused by the use of an insufficient number of gray levels in smooth areas of a digital image?
Answer: (d).False contouring
Using rough rule of thumb, and assuming powers of 2 for convenience, what image size are about the smallest images that can be expected to be reasonably free of objectionable sampling checkerboards and false contouring?
Answer: (b).256*256pixels and 64 gray levels
What does a shift up and right in the curves of isopreference curve simply means? Verify in terms of N (number of pixels) and k (L=2k, L is the gray level) values.
Answer: (c).Larger values for N and k, implies better picture quality
Answer: (d).Curves tend to become more vertical as the detail in the image increases
For an image with a large amount of detail, if the value of N (number of pixels) is fixed then what is the gray level dependency in the perceived quality of this type of image?
Answer: (b).Nearly independent of the number of gray levels used
Answer: (a).A function of limited duration whose highest frequency is finite
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”?
Answer: (c).Shannon sampling theorem
Answer: (c).Aliasing, if the band-limited functions are undersampled
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