Q.1
What is the procedure done on a digital image to alter the values of its individual pixels known as?
  • a) Geometric Spacial Transformation
  • b) Single Pixel Operation
  • c) Image Registration
  • d) Neighbourhood Operations
Q.2
Points whose locations are known exactly in the input and reference images are used in Geometric Spacial Transformation.
  • a) Known points
  • b) Key-points
  • c) Réseau points
  • d) Tie points
Q.3
___________ is a commercial use of Image Subtraction.
  • a) MRI scan
  • b) CT scan
  • c) Mask mode radiography
  • d) None of the Mentioned
Q.4
Approaches to image processing that work directly on the pixels of incoming image work in ____________
  • a) Spatial domain
  • b) Inverse transformation
  • c) Transform domain
  • d) None of the Mentioned
Q.5
Which of the following in an image can be removed by using a smoothing filter?
  • a) Sharp transitions of brightness levels
  • b) Sharp transitions of gray levels
  • c) Smooth transitions of gray levels
  • d) Smooth transitions of brightness levels
Q.6
Region of Interest (ROI) operations is generally known as _______
  • a) Masking
  • b) Dilation
  • c) Shading correction
  • d) None of the Mentioned
Q.7
Which of the following comes under the application of image blurring?
  • a) Image segmentation
  • b) Object motion
  • c) Object detection
  • d) Gross representation
Q.8
Which of the following filter’s responses is based on the pixels ranking?
  • a) Sharpening filters
  • b) Nonlinear smoothing filters
  • c) Geometric mean filter
  • d) Linear smoothing filters
Q.9
Which of the following illustrates three main types of image enhancing functions?
  • a) Linear, logarithmic and power law
  • b) Linear, logarithmic and inverse law
  • c) Linear, exponential and inverse law
  • d) Power law, logarithmic and inverse law
Q.10
Which of the following is the primary objective of sharpening of an image?
  • a) Decrease the brightness of the image
  • b) Increase the brightness of the image
  • c) Highlight fine details in the image
  • d) Blurring the image
Q.11
Which of the following operation is done on the pixels in sharpening the image, in the spatial domain?
  • a) Differentiation
  • b) Median
  • c) Integration
  • d) Average
Q.12
________ is the principle objective of Sharpening, to highlight transitions.
  • a) Brightness
  • b) Pixel density
  • c) Composure
  • d) Intensity
Q.13
_________ enhance Image Differentiation?
  • a) Pixel Density
  • b) Contours
  • c) Edges
  • d) None of the mentioned
Q.14
Which of the following fact is correct for an image?
  • a) An image is the multiplication of illumination and reflectance component
  • b) An image is the subtraction of reflectance component from illumination component
  • c) An image is the subtraction of illumination component from reflectance component
  • d) An image is the addition of illumination and reflectance component
Q.15
Which of the following occurs in Unsharp Masking?
  • a) Subtracting blurred image from original
  • b) Blurring the original image
  • c) Adding a mask to the original image
  • d) All of the mentioned
Q.16
Which of the following makes an image difficult to enhance?
  • a) Dynamic range of intensity levels
  • b) High noise
  • c) Narrow range of intensity levels
  • d) All of the mentioned
Q.17
_________ is the process of moving a filter mask over the image and computing the sum of products at each location.
  • a) Nonlinear spatial filtering
  • b) Convolution
  • c) Correlation
  • d) Linear spatial filtering
Q.18
Which side of the greyscale is the components of the histogram concentrated in a dark image?
  • a) Medium
  • b) Low
  • c) Evenly distributed
  • d) High
Q.19
Which of the following is the application of Histogram Equalisation?
  • a) Blurring
  • b) Contrast adjustment
  • c) Image enhancement
  • d) None of the Mentioned
Q.20
Which of the following is the expansion of PDF, in uniform PDF?
  • a) Probability Density Function
  • b) Previously Derived Function
  • c) Post Derivation Function
  • d) Portable Document Format
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