STUPIDSID
Slove any four question :-
1 (a)
Show that :- Highpass=original-lowpass.
5 M
1 (b)
Justify lossy compression is not suitable for compressing executable files.
5 M
1 (c)
For 8-point DFT the first five DFT coefficients are-
x(k)=x{10, 2+3j, 1+2j, j, 4}
Find the remaining coefficients
x(k)=x{10, 2+3j, 1+2j, j, 4}
Find the remaining coefficients
5 M
1 (d)
What is wavelet? Explain wavelet transform in brief
5 M
1 (e)
Compare and contrast between contrast stretching and threasholding.
5 M
2 (a)
Perform the following operations on given signal :-
x(n)={1,2,3,4,5,}
(i) x(-n-1)
(ii) x(n-2) (iii) x(n+1)
(iv) x(-n+2)
(v) 2x(n).
x(n)={1,2,3,4,5,}
(i) x(-n-1)
(ii) x(n-2) (iii) x(n+1)
(iv) x(-n+2)
(v) 2x(n).
10 M
2 (b)
State and prove any four properties of DFT.
10 M
3 (a)
Perform histogram stretching so that the new image has a dynamic range of[0,7]
| Gray level : | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| No. of pixel : | 100 | 90 | 85 | 70 | 0 | 0 | 0 | 0 |
10 M
3 (b)
Explain segmentation based on threasholding in detail.
10 M
4 (a)
Explain various frequency domain low pass filters in detail.
10 M
4 (b)
Obtain linear convolution of 2 signals given as -
x(n)=u(n)
h(n)=anu(n), a
x(n)=u(n)
h(n)=anu(n), a
10 M
5 (a)
Give in detail classification of signals.
10 M
5 (b)
For the given 3 bit, 4x4 size image perform the following operations-
(i) threasholding, (T=4)
(ii) intensity level slicing with background for r1=2, r2=5
Bit plane slicing for LSB and MSB planes
Negation
(i) threasholding, (T=4)
(ii) intensity level slicing with background for r1=2, r2=5
Bit plane slicing for LSB and MSB planes
Negation
| 4 | 2 | 3 | 0 |
| 1 | 3 | 5 | 7 |
| 5 | 3 | 2 | 1 |
| 2 | 4 | 6 | 7 |
10 M
6 (a)
What is Morphology? Name and explain basic operations in morphology.
10 M
6 (b)
Find the Arithmatic codeword of message India. Calculate the pecentage of compression and bit/pixel of the compression message.
10 M
Write short notes on (any four)
7 (a)
Lossy Vs Lossless compression techniques
5 M
7 (b)
Walsh transform
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7 (c)
Discrete time system
5 M
7 (d)
Sampling and Quantization
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7 (e)
Digital watermaking.
5 M
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