Review Test Submission: Quiz 1 University of Illinois, Urbana Champaign CS 543
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Course
CS 543
Institution
CS 543
Review Test Submission: Quiz 1
User Jiahong Chen
Course Spring 2019-CS 543-Computer Vision-Sections ADD, ON2, R
Test Quiz 1
Started 2/16/19 10:39 PM
Submitted 2/17/19 12:13 AM
Due Date 2/17/19 9:00 AM
Status Completed
Attempt
Score
27 out of 33 points
Time
Elapsed
1 hour, 33 minutes ou...
review test submission quiz 1 university of illinois
review test submission quiz 1 user jiahong chen course spring 2019 cs 543 computer vision sections add
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CS 543
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2/21/2019 Review Test Submission: Quiz 1 – Spring 2019-CS 543-...
Jiahong Chen
My Illinois Compass 2g Content Collection
H Welcome Review Test Submission: Quiz 1
Review Test Submission: Quiz 1
User Jiahong Chen
Course Spring 2019-CS 543-Computer Vision-Sections ADD, ON2, R
Test Quiz 1
Started 2/16/19 10:39 PM
Submitted 2/17/19 12:13 AM
Due Date 2/17/19 9:00 AM
Status Completed
Attempt 27 out of 33 points
Score
Time 1 hour, 33 minutes out of 3 hours
Elapsed
Instructions The quiz has to be taken in one sitting. Please check your power connection before
beginning the quiz. There will be 33 questions including multiple choice questions and a
few true/false questions. The quiz will be available from February 13th, Wednesday 09:00
AM till February 17th, Sunday 09:00 AM.
Results All Answers, Submitted Answers, Correct Answers
Displayed
Question 1
Consider a 512x512 image which is filtered by a 7x7 linear filter. What would be the size of
the resulting image? (Assume no zero padding or extrapolation of the input image.)
, 2/21/2019 Review Test Submission: Quiz 1 – Spring 2019-CS 543-...
Selected Answer: A. Chromatic aberration
Answers: A. Chromatic aberration
B. Diffraction
C. Vignetting
D. Over exposure
Question 3
In the photometric stereo model covered in class, we want to find the surface normal vectors
N(x,y) and albedo ρ(x,y) for all pixels of the image to recover the surface height. Given that
we have n light sources and n images corresponding to each of them, for which of the
following values of n will we have to solve an overdetermined system of equations to find the
surface normal and albedo for all image pixels.
i. n=1
ii. n=2
iii. n=3
iv. n = 10
Selected Answer: A. ii, iii and iv
Answers: A. ii, iii and iv
B. Only iv
C. i, ii and iii
D. i, iii and iv
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