Image Processing Multiple Choice Questions with Answers pdf

Q. No 26. ___ is one of the most important approaches to image segmentation and can be treated as the class boundary.
(a) Region-Based Segmentation
(b) Thresholding
(c) Region Growing
(d) Region Segmentation
Answer: (b) Thresholding

Q. No 27. In the first category of segmentation algorithm, the approach is to partition an image based on abrupt changes in intensity, such as ___.
(a) Range in an image
(b) Points in an image
(c) Pictures in an image
(d) Edges in an image
Answer: (d) Edges in an image

Q. No 28. ___ derivatives of a digital image are based on various approximations of the 2-D gradient.
(a) First order
(b) Second-order
(c) Third order
(d) Fourth order
Answer: (a) First order

Q. No 29. Gray-scale digital images can be represented as sets whose components are in ___.
(a) Z²
(b) Z³
(c) Z⁴
(d) Z⁵
Answer: (b) Z3

Q. No 30. ___ smoothes the contour of an object, breaks narrow isthmuses, and eliminates thin protrusions.
(a) Closing operation
(b) Miss or Hit operation
(c) Opening operation
(d) Set operation
Answer: (c) Opening operation

Q. No 31. A morphological hit-or-miss transform is a basic tool for ___.
(a) Result detection
(b) Shape detection
(c) Data detection
(d) Record detection
Answer: (b) Shape detection

Q. No 32. ___are used to represent a boundary by a connected sequence of straight-line segments of specified length and direction.
(a) Polygonal Approximations
(b) Chain Codes
(c) Polygonal codes
(d) Simple codes
Answer: (b) Chain Codes

Q. No 33. A ___ is a 1-D functional representation of a boundary and may be generated in various ways.
(a) Chain Codes
(b) Boundary Segments
(c) Signature
(d) Decomposition
Answer: (c) Signature

Q. No 34. Topological properties are useful for ___descriptions of regions in the image plane.
(a) local
(b) National
(c) Global
(d) LAN
Answer: (c) Global

Q. No 35. ___ is the total amount of energy that flows from the light source, and it is usually measured in watts (W).
(a) Luminance
(b) Radiance
(c) Brightness
(d) Saturation
Answer: (b) Radiance

Q. No 36. A ___ is a specification of a coordinate system and a subspace within that system where each color is represented by a single point.
(a) Color model
(b) RGB color model
(c) The CMY and CMYK Color Models
(d) HSI color model
Answer: (a) Color model

Q. No 37. ___ gives a measure of the amount of energy an observer perceives from a light source. It is measured in lumens (lm).
(a) Brightness
(b) Intensity
(c) Density
(d) Luminance
Answer: (d) Luminance

Q. No 38. The ___ is responsible for reducing or eliminating any coding, inter-pixel, or psycho-visual redundancies in the input image.
(a) Encoder
(b) Destination
(c) Source
(d) Decoder
Answer: (c) Source

Q. No 39. The ___ transforms the input into a format to reduce interpixel redundancies in the output image.
(a) Mapper
(b) Encoder
(c) Decoder
(d) Coder
Answer: (a) Mapper

Q. No 40. ___is present when the codes do not take full advantage of the probabilities of the events.
(a) Psycho visual Redundancy
(b) Coding Redundancy
(c) Inter pixel redundancy
(d) Fidelity Criteria
Answer: (b) Coding Redundancy

Q. No 41. The sensor could be a monochrome or color TV camera that produces an entire image of the problem domain every ___.
(a) 2/30 seconds
(b) 1/30 seconds
(c) 1/60 seconds
(d) 1/90 seconds
Answer: (b) 1/30 seconds

Q. No 42. Which is not a principal category of digital storage for image processing applications?
(1) Short-term storage
(2) Online storage
(3) Archival storage

(a) Only 1, 2
(b) Only 2, 3
(c) Only 1, 3
(d) All 1, 2, 3
Answer: (d) All 1, 2, 3

Q. No 43. State whether the following statements are true or false
1. Digitizing the coordinate values is called quantization.
2. Digitizing the amplitude values is called sampling
(a) 1-T, 2-F
(b) 1-F, 2-T
(c) 1-T, 2-T
(d) 1-F, 2-F
Answer: (d) 1-F, 2-F

Q. No 44. The Euclidean distance between p and q is defined as
(a) De (p, q) = [(x-s) 2 + (y-t) 2]1/2
(b) De (p, q) = |x-s| + |y-t|
(c) De (p, q) = max (|x-s|, |y-t|)
(d) De (p, q) = |x-s| + |y-t|2
Answer: (a) De (p, q) = [(x-s) 2 + (y-t) 2]1/2

Q. No 45. Identify the given table

P	Q	R
0	0	0
0	1	0
0	0	1
1	1	1

(a) AND operation
(b) OR operation
(c) XOR operation
(d) NOT operation
Answer: (a) AND operation

Q. No 46. State whether the following statements are true or false for JPEG development reasons:
1. It makes image files smaller.
2. It stores 16-bit per pixel color data instead of 8-bit per pixel data.
(a) 1-F, 2-T
(b) 1-T, 2-F
(c) 1-T, 2-T
(d) 1-F, 2-F
Answer: (b) 1-T, 2-F

Q. No 47. A ___ Image has a histogram that will be narrow and will be centered toward the ___ of the grayscale.
(a) High contrast, Corner
(b) High contrast, middle
(c) Low contrast, middle
(d) Low contrast, Corner
Answer: (c) Low contrast, middle

Q. No 48. The gray levels in an image may be viewed as random quantities in the interval___.
(a) [1, 10]
(b) [1, 0]
(c) [10, 1]
(d) [0, 1]
Answer: (d) [0, 1]

Q. No 49. “Which of the following are applications where image sharpening can be used?
1. Electronic printing
2. Medical Imaging
3. Autonomous guidance in military systems
(a) 1, 2 only
(b) 2, 3 only
(c) 1, 3 only
(d) 1, 2, 3 all
Answer: (d) 1, 2, 3 all

Q. No 50. Which of the following are types of correlation?
1. Autocorrelation
2. Inter-correlation
3. frequency-correlation
(a) 1, 2 only
(b) 2, 3 only
(c) 1 only
(d) 2 only
Answer: (c) 1 only

Conclusion

Image processing is a vast and complex topic that covers a wide range of processes and algorithms. However, by understanding the basics of image processing and the different types of image formats, you can be on your way to creating better images and optimizing your workflow.

Thank you for reading, please subscribe to our website Eguardian India, if you like our MCQs share them on all different forms of social media with your friends and family members. Ask your questions through the comment box.