MU Image Processing - December 2016 Exam Question Paper

MU Information Technology (Semester 7)
Image Processing
December 2016

Total marks: --
Total time: --

INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

1(a) What do you mean by image file format? Explain any two frequently used image file formats?

4 M

1(b) Explain any four properties of 2DD.F.T.

4 M

1(c) Justify Lossy compression is not suitable for compressing executable fiels.

4 M

1(d) What is m-connectivity amongst pixels. Explain with example.

4 M

1(e) For the given 3-bit 4×4 image perform
i) Intensity level slicing with background for r1 =2
2) Negation

4	2	3	0
1	3	5	7
5	3	2	1
2	4	6	7

4 M

2(a) What is a histogram of a digital image Given below is a Grey Level Histogram of a Image, Compute Histogram Equalization. Draw histogram of input & output Image.

Grey Levels	0	1	2	3	4	5	6	7
No.of Pixels	790	1023	850	656	329	245	122	81

10 M

2(b) Explain the following frequency domain filters.
i) Ideal Low Pass filter. ii) Butterworth High Pass filter.

10 M

3(a) Explain region Based & boundary Based segmentations. Explain the use of thresholding in both the cases.

10 M

3(b) Consider the image given below. Calculate the direction of the edge at the centre point of the image. F = 50 60 70
5 50 80
7 9 50

10 M

4(a) Calculate the efficiency of Huffman Code for the following symbol whose probability & occurence is given below :-

Symbol	Probability
A1	0.9
A2	0.06
A3	0.02
A4	0.02

10 M

4(b) Expain the following morphological operations with example
i) Dilation
Hit or Miss Transform

10 M

5(a) Exlain smoothing & sharpening Filters in spatial domain. What are the properties that these masks must satisfy.

10 M

5(b) Obtain four directional chain code & shape no. Representation of the following image.
!mage

5 M

5(c) Explain fundamental steps in digital Image Processing.

5 M

Write a short note any four Q6.(a,b,c,d,e,f)

6(a) Homomorphic Filtering

5 M

6(b) Bit plane Coding

5 M

6(c) Hough Transform

5 M

6(d) Digital Watermarking

5 M

6(e) Content Based Image Retrival

5 M

6(f) Authentication

5 M

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