$100
• When was the first photography in the world
taken?
– A) 1816
– B) 1826
– C) 1836
– D) 1866
$200
• Which of the following invention did NOT win
a Nobel prize?
– A) X-ray imaging
– B) MRI imaging
– C) PET imaging
– D) Computer Tomography (CT) imaging
$300
• Which of the following spectrum band has
longer wavelength than visible?
– A) Gamme
– B) X-ray
– C) Ultra-violet
– D) Microwaves
$500
• Which of the following band is the closest to
the luminance component (as perceived by
rod cells of HVS)?
– A) short-wavelength
– B) middle-wavelength
– C) long-wavelength
– D) infrared-wavelength
$1000
• Which of the following imaging method is
non-electromagnetic?
– A) Synthetic aperture radar (SAR) imaging
– B) Positron emission tomography (PET) imaging
– C) Charge-Coupled-Device (CCD) imaging
– D) Acoustic imaging
$2000
• Which of the following imaging method is
motion BAD for?
– A) Photo Scanner
– B) SAR imaging
– C) MRI imaging
– D) CCD imaging
$4000
96
X
a
33
a=1/3
1-a
Linear Interpolation Numerical Example
What is X?
A) 80
B) 75
C) 70
D) 65
$8000
• Which of the following application is
histogram equalization NOT suitable for?
– A) Repairing under-exposed photograph
– B) Enhance iris images to facilitate recognition
– C) Enhance microscopy images to facilitate
analysis
– D) Remove blur from blurred photos due to handshaking
$16000
• Which of the following geometric
transformation is the most general one?
– A) projective
– B) affine
– C) shear
– D) rotation
$32000
• Approximately how many degrees is blind spot
from the center of fovea (visual axis)?
– A) 10
– B) 5
– C) 20
– D) 25
$64000
• Which of the following MATLAB function can
NOT be used to enhance the resolution of an
image?
– A) imresize
– B) griddata
– C) imtransform
– D) none of above
$125000
Col n+1
Col n
row m
100
200
a
b
Y
1-a
a=0.25
b=0.25
1-b
row m+1
200
100
Bilinear Interpolation Numerical Example
What is Y?
A) 112.5
B) 125
C) 137.5
D) 150
$250000
225
225
226
255
225
255
226
226
225
225
226
226
255
225
225
226
225 226 226 226 226 226
255 226 226 226 225 226
225 226 0 226 226 255
225 0 226 226 226 226
0 225 226 226 226 255
224 226 226 0 225 226
225 226 255 226 226 228
225 226 226 226 226 226
What is the pixel value at red zero
after median filter (window size 5-by5)?
A) 224
B) 225
C) 226
D) 0
$500000
• Which of the following statement is NOT true?
– A) Fourier transform of a Guassian function is still
Gaussian
– B) Histogram equalization is a nonlinear operation
– C) Median filtering is NOT translation invariant
– D) The total number of green pixels in a Bayer
pattern is twice as many as that of red or blue
ones
$1000000
• Which of the following pair of matlab codes is
NOT equivalent to each other?
– A) y=imnoise(x,’gaussian’,0,0.1) vs.
y=x+randn(size(x))*0.1
– B) imshow(x/255,[]) vs. imshow(x/1000,[]); % x is
an image in double format
– C) imresize(x,2) vs. interp2(x,2)
– D) for i=1:length(x);if x(i)>128; x(i)=1;else x(i)=0;
end;end; vs. x=(x>128);
Answer Sheet
•
•
•
•
•
•
•
•
1) B
2) C
3) D
4) B
5) D
6) D
7) B
8) D
9) A
10) C
11) D
12)-15) C