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$100

$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.

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$100

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  1. $100 • When was the first photography in the world taken? • A) 1816 • B) 1826 • C) 1836 • D) 1866

  2. $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

  3. $300 • Which of the following spectrum band has longer wavelength than visible? • A) Gamme • B) X-ray • C) Ultra-violet • D) Microwaves

  4. $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

  5. $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

  6. $2000 • Which of the following imaging method is motion BAD for? • A) Photo Scanner • B) SAR imaging • C) MRI imaging • D) CCD imaging

  7. $4000 96 X 33 a=1/3 a 1-a What is X? 80 75 70 65 Linear Interpolation Numerical Example

  8. $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

  9. $16000 • Which of the following geometric transformation is the most general one? • A) projective • B) affine • C) shear • D) rotation

  10. $32000 • Approximately how many degrees is blind spot from the center of fovea (visual axis)? • A) 10 • B) 5 • C) 20 • D)25

  11. $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

  12. $125000 Col n+1 Col n 100 200 row m b a 1-a Y a=0.25 b=0.25 1-b row m+1 200 100 What is Y? 112.5 125 137.5 150 Bilinear Interpolation Numerical Example

  13. $250000 What is the pixel value at red zero after median filter (window size 5-by5)? 224 225 226 0 225 225 225 226 226 226 226 226 225 225 255 226 226 226 225 226 226 226 225 226 0 226 226 255 255 226 225 0 226 226 226 226 225 255 0 225 226 226 226 255 255 225 224 226 226 0 225 226 226 225 225 226 255 226 226 228 226 226 225 226 226 226 226 226

  14. $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

  15. $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);

  16. Answer Sheet • 1) B 9) A • 2) C 10) C • 3) D 11) D • 4) B 12)-15) C • 5) D • 6) D • 7) B • 8) D

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