STUPIDSID
Justify/Contradict the following statements:
1(a)
Laplacian is better than gradient for detection of edges.
5 M
1(b)
For digital image having salt and pepper noise, median filter is the best filter.
5 M
1(c)
Unit Ramp signal is neither Energy nor Power Siginal.
5 M
1(d)
Lossy compression is not suitable for compressing executable files.
5 M
2(a)
Peform Histogram Equalization for following. Obtain a plot of original as well as the Equalized Histogram
10 M
2(b)
A causal FIR system have 3 cascade blocks, first two have independent impulse responses h1(n)={1,2,2} & h2(n)=u(n)-u(n-2). Find the impulse response of 3rd block h3(n) if an overall impulse response is h(n)={2,5,6,3,2,2}
10 M
3(a)
Explain in detail enhancement techniques in Spatial Domain used for images.
8 M
3(b)
Explain homomorphic filtering in detail.
6 M
3(c)
Find the DFT of the given image
6 M
4(a)
Define the following:
(i) Eucledean distance
(ii) City block distance
(iii) Chess board distance.
(iv)m conectivity
(i) Eucledean distance
(ii) City block distance
(iii) Chess board distance.
(iv)m conectivity
10 M
4(b)
Find DFT of given sequence (Use DITFFT Algorithm) x(n)={1,2,3,4,4,3,2,1}
10 M
5(a)
Explain the method of segmentation of images by region splitting and merging.
10 M
5(b)
Given below is the table of 8 symbols and their freq of occurance give Huffman code for each symbol
10 M
6(a)
Perform the convolution of the following two sequences using Z transform
8 M
6(b)
Find inverse Z-Transform
6 M
6(c)
What is the difference between image restoration and image enhancement? What do they have in common?
6 M
Write short notes on :-
7(a)
Discrete Cosine Transform
5 M
7(b)
Sampling and Quantisation
5 M
7(c)
Hough Transform
5 M
7(d)
Wavelet Transform
5 M
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