MCQOPTIONS
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MCQOPTIONS
This section includes 106 Mcqs, each offering curated multiple-choice questions to sharpen your Master of Science in Computer Science (M.Sc CS) knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
An alternate approach to median filtering is ______________ |
| A. | use a mask |
| B. | gaussian filter |
| C. | sharpening |
| D. | laplacian filter |
| Answer» B. gaussian filter | |
| 2. |
Final step of enhancement lies in ________________ of the sharpened image. |
| A. | increase range of contrast |
| B. | increase range of brightness |
| C. | increase dynamic range |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 3. |
_________________________ is used to detect diseases such as bone infection and tumors. |
| A. | mri scan |
| B. | pet scan |
| C. | nuclear whole body scan |
| D. | x-ray |
| Answer» D. x-ray | |
| 4. |
Dark characteristics in an image are better solved using ____________________. |
| A. | laplacian transform |
| B. | gaussian transform |
| C. | histogram specification |
| D. | power-law transformation |
| Answer» E. | |
| 5. |
Response of the gradient to noise and fine detail is _____________ the Laplacian’s. |
| A. | equal to |
| B. | lower than |
| C. | greater than |
| D. | has no relation with |
| Answer» C. greater than | |
| 6. |
Which of the following occurs in Unsharp Masking? |
| A. | blurring original image |
| B. | adding a mask to original image |
| C. | subtracting blurred image from original |
| D. | all of the mentioned |
| Answer» E. | |
| 7. |
Where do you find frequent use of Gradient? |
| A. | industrial inspection |
| B. | mri imaging |
| C. | pet scan |
| D. | none of the mentioned |
| Answer» B. mri imaging | |
| 8. |
For a function f(x,y), the gradient of ‘f’ at coordinates (x,y) is defined as a ____________________. |
| A. | 3-d row vector |
| B. | 3-d column vector |
| C. | 2-d row vector |
| D. | 2-d column vector |
| Answer» E. | |
| 9. |
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 ______________________. |
| A. | isotropic filtering |
| B. | laplacian |
| C. | rotation invariant |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 10. |
The principle objective of Sharpening, to highlight transitions is ___________________. |
| A. | pixel density |
| B. | composure |
| C. | intensity |
| D. | brightness |
| Answer» D. brightness | |
| 11. |
Which of the following is not a principle step in fuzzy technique? |
| A. | fuzzify input |
| B. | apply implication method |
| C. | defuzzify final output |
| D. | none of the mentioned |
| Answer» E. | |
| 12. |
What is the independent variable of fuzzy output? |
| A. | maturity |
| B. | membership |
| C. | generic element |
| D. | none of the mentioned |
| Answer» B. membership | |
| 13. |
Using IF-THEN rule to create the output of fuzzy system is called __________. |
| A. | inference |
| B. | implication |
| C. | both the mentioned |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 14. |
A fuzzy set ‘A’ in Z is characterized by a ____________ that associates with element of Z, a real number in the interval [0, 1]. |
| A. | grade of membership |
| B. | generic element |
| C. | membership function |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 15. |
Which of the following is best suited for salt-and-pepper noise elimination? |
| A. | average filter |
| B. | box filter |
| C. | max filter |
| D. | median filter |
| Answer» E. | |
| 16. |
What does “eliminated” refer to in median filter? |
| A. | force to average intensity of neighbours |
| B. | force to median intensity of neighbours |
| C. | eliminate median value of pixels |
| D. | none of the mentioned. |
| Answer» C. eliminate median value of pixels | |
| 17. |
Best example for a Order-statistic filter is ____________________. |
| A. | impulse filter |
| B. | averaging filter |
| C. | median filter |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 18. |
Impulse noise in Order-statistic filter is also called as _______________. |
| A. | median noise |
| B. | bilinear noise |
| C. | salt and pepper noise |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 19. |
An example of a continuous function of two variables is _____________ |
| A. | identity function |
| B. | intensity function |
| C. | contrast stretching |
| D. | gaussian function |
| Answer» E. | |
| 20. |
Which of the following involves Correlation? |
| A. | matching |
| B. | key-points |
| C. | blobs |
| D. | none of the mentioned. |
| Answer» B. key-points | |
| 21. |
The function that contains a single 1 with the rest being 0s is called ____________________. |
| A. | identity function |
| B. | inverse function |
| C. | discrete unit impulse |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 22. |
Convolution and Correlation are functions of __________________. |
| A. | distance |
| B. | time |
| C. | intensity |
| D. | displacement |
| Answer» E. | |
| 23. |
The standard deviation controls “____________” of the bell (2-D Gaussian function of bell shape). |
| A. | size |
| B. | curve |
| C. | tightness |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 24. |
A filter that passes low frequencies is ____________________. |
| A. | band pass filter |
| B. | high pass filter |
| C. | low pass filter |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 25. |
In uniform PDF, the expansion of PDF is ____________________________. |
| A. | portable document format |
| B. | post derivation function |
| C. | previously derived function |
| D. | probability density function |
| Answer» E. | |
| 26. |
Which type of Histogram Processing is suited for minute detailed enhancements? |
| A. | intensive |
| B. | local |
| C. | global |
| D. | random |
| Answer» C. global | |
| 27. |
The type of Histogram Processing in which pixels are modified based on the intensity distribution of the image is called _______________. |
| A. | intensive |
| B. | local |
| C. | global |
| D. | random |
| Answer» D. random | |
| 28. |
Histogram Equalisation is mainly used for _________________________. |
| A. | image enhancement |
| B. | blurring |
| C. | contrast adjustment |
| D. | none of the mentioned |
| Answer» B. blurring | |
| 29. |
Piecewise Linear Transformation function involves which of the following? |
| A. | bit-plane slicing |
| B. | intensity level slicing |
| C. | contrast stretching |
| D. | all of the mentioned |
| Answer» E. | |
| 30. |
Highlighting the contribution made to total image by specific bits instead of highlighting intensity-level changes is called ____________________. |
| A. | intensity highlighting |
| B. | byte-slicing |
| C. | bit-plane slicing |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 31. |
Highlighting a specific range of intensities of an image is called ___________. |
| A. | intensity matching |
| B. | intensity highlighting |
| C. | intensity slicing |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 32. |
Power-law transformations has the basic form of ________________, where c and ? are constants. |
| A. | s = c + r? |
| B. | s = c – r? |
| C. | s = c * r? |
| D. | s = c / r.? |
| Answer» D. s = c / r.? | |
| 33. |
The general form of log transformations is ____________________. |
| A. | s = c.log(1 + r) |
| B. | s = c+log(1 + r) |
| C. | s = c.log(1 – r) |
| D. | s = c-log(1 – r) |
| Answer» B. s = c+log(1 + r) | |
| 34. |
How is negative of an image obtained with intensity levels [0,L-1] with “r” and “s” being pixel values? |
| A. | s = l – 1 + r |
| B. | s = l – 1 – r |
| C. | s = l + 1 + r |
| D. | s = l + 1 + r |
| Answer» C. s = l + 1 + r | |
| 35. |
Visible blue light is used in |
| A. | soil moisture |
| B. | mineral mapping |
| C. | water penetration |
| D. | vegetation discrimination |
| Answer» D. vegetation discrimination | |
| 36. |
Image subtraction is used for |
| A. | color enhancement |
| B. | frequency enhancement |
| C. | spatial enhancement |
| D. | detection |
| Answer» E. | |
| 37. |
Angiography uses what technique |
| A. | image addition |
| B. | image multiplication |
| C. | image division |
| D. | None of the above |
| Answer» C. image division | |
| 38. |
Which is the image processing related fields |
| A. | medicines |
| B. | chemistry |
| C. | neurobiology |
| D. | chemicals |
| Answer» D. chemicals | |
| 39. |
The major area of imaging in visual spectrum is in |
| A. | automated visual inspection |
| B. | auto visual inspection |
| C. | visual inspection |
| D. | automated inspection |
| Answer» B. auto visual inspection | |
| 40. |
Visible red light is used in |
| A. | soil moisture |
| B. | mineral mapping |
| C. | water penetration |
| D. | vegetation discrimination |
| Answer» E. | |
| 41. |
An image is a two dimensional function where x and y are |
| A. | spatial coordinates |
| B. | frequency coordinates |
| C. | time coordinates |
| D. | real coordinates |
| Answer» B. frequency coordinates | |
| 42. |
Image enhancement and restoration are used to process |
| A. | high resolution images |
| B. | degraded images |
| C. | high quality images |
| D. | brighter images |
| Answer» C. high quality images | |
| 43. |
In which step of the processing, assigning a label (e.g., “vehicle”) to an object based on its descriptors is done? |
| A. | Object recognition |
| B. | Morphological processing |
| C. | Segmentation |
| D. | Representation & description |
| Answer» B. Morphological processing | |
| 44. |
Lithography uses |
| A. | ultraviolet |
| B. | x-rays |
| C. | gamma |
| D. | visible rays |
| Answer» B. x-rays | |
| 45. |
Waves having longest wave length |
| A. | x-rays |
| B. | microwaves |
| C. | gamma |
| D. | radio waves |
| Answer» E. | |
| 46. |
Major use of gamma rays imaging includes |
| A. | radar |
| B. | astronomical observations |
| C. | industry |
| D. | lithography |
| Answer» C. industry | |
| 47. |
Oldest source of EM radiations used for imaging |
| A. | visible |
| B. | gamma |
| C. | x-rays |
| D. | ultraviolet |
| Answer» D. ultraviolet | |
| 48. |
Which is the first fundamental step in image processing |
| A. | filtration |
| B. | image acquisition |
| C. | image enhancement |
| D. | image restoration |
| Answer» C. image enhancement | |
| 49. |
Fluorescence microscopy is an excellent for materials made of |
| A. | chlorine |
| B. | fluorine |
| C. | fluoresce |
| D. | copper |
| Answer» D. copper | |
| 50. |
Manufactured goods often checked using |
| A. | voice over IP |
| B. | digital image processing |
| C. | audio processing |
| D. | video processing |
| Answer» C. audio processing | |