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 a=1/3 What is X? A)80 B)75 C)70 D)65 Linear Interpolation Numerical Example a 1-a 96 33 X

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 100 row m row m+1 Col n Col n+1 200 100200 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

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

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) B9) A 2) C10) C 3) D11) D 4) B12)-15) C 5) D 6) D 7) B 8) D