Image Processing Question Paper - Dec 16 - Computer Engineering (Semester 7)

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Image Processing - December 2016

MU Computer Engineering (Semester 7)

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) Explain any five zero memory operatons. 10 marks

1(b) Perform histogram equalization and draw new equalized histogram of the following image data.

Gray level	0	1	2	3	4	5	6	7
Number of pixels	800	1000	850	650	300	250	100	150

10 marks

2(a) Find the DFT of the Given image:

0	3	3	1
3	1	2	1
3	2	4	2
1	1	2	1

10 marks

2(b) What is segmentation? Explain
i) Region Growing
ii) Region Splitting
iii) Thresholding. 10 marks

3(a) Explain with an example that the first difference of chain code normalizes it to rotation. 10 marks

3(b) Explain the following morphological operations:
i) Opening
ii) Closing 10 marks

4(a) Classify Image Compression methods in detail along with the different redundancies that can be present in digital images. 10 marks

4(b) What are various file formats? Explain each in brief. 10 marks

5(a) Given

F =	10	44	15
10	14	48
11	10	22

i) Find 3-bit IGS coded image and calculate compression factor and BPP.
ii) Find the decoded image and calculate MSE and PNSR. 10 marks

5(b) Write 8×8 HADAMARD transform matrix and its signal flow graph. Using Butterfly diagram, compute HADAMARD transform for x(n) = { 1,
2,
1,
2,
1,
2,
3,
4} 10 marks

write a short note Q6.(a,b,c,d)

6(a) Discrete Cosine Transform. 10 marks

6(b) Hough transform. 10 marks

6(c) HSI color model. 10 marks

6(d) 4,
8 and m-connectivity 10 marks

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