STUPIDSID
Justify/contradict with reason
1 (a)
Unit step sequence is power signal.
4 M
1 (b)
Every image has unique histogram.
4 M
1 (c)
Extreme contrast stretching is thresholding.
4 M
1 (d)
All image compression techniques are invertible.
4 M
1 (e)
Laplace is not a good edge detector.
4 M
2 (a)
What is descrete time system? Give classification of system based on properties of system
10 M
2 (b)
If x(n)={2,-1,3,0,4}, find-
(i) x(-n)
(ii) x(-n+2)
(iii) x(n-1)
(iv) x(2n)
(v) x(n+1)
(i) x(-n)
(ii) x(-n+2)
(iii) x(n-1)
(iv) x(2n)
(v) x(n+1)
10 M
3 (a)
State and prove any four properties of DFT.
10 M
3 (b)
Find linear convolution of the signals -
(i) x(n)={2,3,0,1} and h(n)={1,0,-1,2}
(ii) x(n)={1,2,3,4,5,6,7} and h(n)={1,0,2}
(i) x(n)={2,3,0,1} and h(n)={1,0,-1,2}
(ii) x(n)={1,2,3,4,5,6,7} and h(n)={1,0,2}
10 M
4 (a)
What is Morphology? Name and explain basic operations in Morphology?
10 M
4 (b)
For the given histogram state and prove what happens when equalized twice
| Grey Level : | 0 | 1 | 2 | 3 |
| nk : | 70 | 20 | 7 | 3 |
10 M
5 (a)
Explain in detail image enhancement in spatial domain.
10 M
5 (b)
Explain region based segmentation in detail.
10 M
6 (a)
Give Huffman code for the following symbols
| Symbol : | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Probability : | 0.05 | 0.008 | 0.002 | 0.06 | 0.18 | 0.13 | 0.07 | 0.48 |
10 M
6 (b)
What is wavelet transform? Explain in detail.
10 M
Write short note on any four.
7 (a)
Homomorphic filter
5 M
7 (b)
Lossy compression
5 M
7 (c)
DCT
5 M
7 (d)
CBIR
5 M
7 (e)
Copyright marking.
5 M
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