STUPIDSID
1(a)
Explain any five zero memory operatons.
10 M
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 M
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 M
2(b)
What is segmentation? Explain
i) Region Growing
ii) Region Splitting
iii) Thresholding.
i) Region Growing
ii) Region Splitting
iii) Thresholding.
10 M
3(a)
Explain with an example that the first difference of chain code normalizes it to rotation.
10 M
3(b)
Explain the following morphological operations:
i) Opening
ii) Closing
i) Opening
ii) Closing
10 M
4(a)
Classify Image Compression methods in detail along with the different redundancies that can be present in digital images.
10 M
4(b)
What are various file formats? Explain each in brief.
10 M
5(a)
Given
i) Find 3-bit IGS coded image and calculate compression factor and BPP.
ii) Find the decoded image and calculate MSE and PNSR.
| 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 M
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}
2,
1,
2,
1,
2,
3,
4}
10 M
write a short note Q6.(a,b,c,d)
6(a)
Discrete Cosine Transform.
5 M
6(b)
Hough transform.
5 M
6(c)
HSI color model.
5 M
6(d)
4,
8 and m-connectivity
8 and m-connectivity
5 M
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