$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 a=1/3 What is X? A)80 B)75 C)70 D)65 Linear Interpolation Numerical Example a 1-a X
$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 hand- shaking
$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
$ row m row m+1 Col n Col n Y a1-a b 1-b a=0.25 b=0.25 What is Y? A)112.5 B)125 C)137.5 D)150 Bilinear Interpolation Numerical Example
$ What is the pixel value at red zero after median filter (window size 5-by5)? A)224 B)225 C)226 D)0
$ 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
$ 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) B9) A 2) C10) C 3) D11) D 4) B12)-15) C 5) D 6) D 7) B 8) D