Jaypee Institute of Information Technology (JIIT) 2008 B.E Electronics
JAVPEE UNIVERSITY OF INFORMATION TECHNOLOGY WAKNAGHAT Test-1
Course Name: Digital Image Processing Course Code: 07B81EC412 Course Credit: 3 Max. Marks: 20 Max Time: 1 hr._ ___
Note: Attempt all questions.
QI. Why the number of grey levels, typically, is an integer power of 2? (Marks 2)
Q2. When should we use a log point processing function in an image? (Marks 2)
Q3 Name one piecewise linear transformation function and explain it? (Marks 2)
Q4. Suppose that a digital image is subjected to histogram equalization. Prove that a second pass of histogram equalization wilt produce exactly same result as the first pass. (Marks 4)
Q5. Explain why the discrete histogram equalization technique does not, in general, yield a flat histogram? (Marks 2)
Q6. Two images f(x,y) and g(x,yj have histogram h/ and hg. Give the condition under which you can determine the histogram of
2. ffcy) - g(x.y)
3. f(x.y) gUy)
4. ffay) / g(x.y)
in terms of /i/and ht Explain how to obtain the histogram in cach case. (Marks 4)
What these 2 point processing functions will produce when applied on an image. (Marta 4)
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Earning: Approval pending. |