image processing quiz2
Authored by Wafaa Shalash
Computers
University - Professional Development
Used 20+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
For finding vertical lines we use mask of values
a) [1 1 1;
0 0 0;
1 -1 -1]
a) [1 0 -1;
1 0 -1;
1 0 -1]
a) [1 1 0;
1 0 -1;
0 -1-1]
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
1. The value of each coefficient in a 9 ˣ 9 mean filter is
1/9
1/18
1/81
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Image _______and _____ are the most primitive operations in morphology.
opening and closing
erosion and dilation
only dilation
only erosion
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Image ____________ could be use as noise
removal method.
erosion
dilation
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Noise is usually described by its
power
period
probabilistic characteristics.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The Gaussian smoothing operator is used to
sharpening edges
`blur' images and remove detail and noise.
detect edges
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following filters is effective in the presence of noise?
mean filter
Average filter
Adaptive filter
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