Jaypee Institute of Information Technology (JIIT) 2008 B.E Electronics & Tele-Communication Engineering Test 1 : Digital Image Processing - Question Paper

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 h_g. Give the condition under which you can determine the histogram of

1- f(*.y)+&(*.y)

2.    ffcy) - g(x.y)

3.    f(x.y) gUy)

4.    ffay) / g(x.y)

in terms of /i/and h_t Explain how to obtain the histogram in cach case. (Marks 4)

Attachment: jaypee-institute-of-information-technology--jiit--2008-b-e-electronics--amp--tele-communication-engineering-21312-1.jpg

Earning:   Approval pending.