
Image Processing - Practical session 5
Quiz
•
Computers
•
University
•
Practice Problem
•
Hard
Itir Onal Ertugrul
Used 1+ times
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6 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The DoG scale space is constructed by fitting Gaussians with different 𝝈s to the Laplacian of Gaussian (LoG) scale space.
True
False
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
From one octave to the other, the image size is halved in both horizontal and vertical dimensions.
True
False
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Octaves are used to deal with smaller images.
True
False
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
For Q levels of keypoints per octave, how many Gaussian scale space levels are needed?
Q+1
Q+2
Q+3
Q+4
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Local extrema detection is performed after thresholding the DoG values in each octave.
True
False
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Local extrema detection is performed only within an octave.
True
False
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