STUPIDSID
1(a)
Classify the following DT system on linearity, time invariance causality
(i) y(n)- 2ny(n-1)=x{n}
(ii) y(n)=x2{n}
(iii) y(n)=2x(n)x{n}
(i) y(n)- 2ny(n-1)=x{n}
(ii) y(n)=x2{n}
(iii) y(n)=2x(n)x{n}
5 M
1(b)
The first five DFT co-efficient of a real eight point sequence x{n} are
X{0} = 0.5, X{1} = 2+j, X{2} = 3+2j, X{3} = j, X{4} = 3,
find the remaining co-efficients.
X{0} = 0.5, X{1} = 2+j, X{2} = 3+2j, X{3} = j, X{4} = 3,
find the remaining co-efficients.
5 M
1(c)
Show that the first difference of its chain code normalizes to its rotation.
5 M
1(d)
Median filter is the best solution to remove salt and pepper noise. Justify.
5 M
2(a)
Obtain the Hadamard matrix of N=8.
6 M
2(b)
List any two properties of 2-D-DFT. Prove any one of them.
4 M
2(c)
Using a 4 point FFT algorithm, evaluate 2-D DFT of the following image
10 M
3(a)
Explain the following operation:
(i) Erosion
(ii) Dilation
(iii) Skeletonization
(iv) Prunning
(i) Erosion
(ii) Dilation
(iii) Skeletonization
(iv) Prunning
10 M
3(b)
Consider the image given below. Calculate the direction of the edge at the centre of point of the image
10 M
4(a)
Explain JPEG baseline compression scheme in detail.
5 M
4(b)
Explain sub band coding in image compression using Wavelet transform.
5 M
4(c)
Compute the coding redundancy of the following image using Huffman code
10 M
5(a)
Find a difference equation of a DT causal LTI system which has ?{n} as input and cos [(?/4) n] is output. Derive the necessary equation.
10 M
5(b)
Impulse response of FIR filter is given by h(n) = {1,1}. Find the response of the system to input x{n} where x{n} = {2,2,4} using FFT/IFFT.
10 M
6(a)
For the 3-bit 4X4 image perform the following operation:-
(i) Negative
(ii) Thresholding with T=4
(iii) Intensity level slicing with background r1=2 & r2=5
(iv) bit-plane slicing for MSB & LSB
(i) Negative
(ii) Thresholding with T=4
(iii) Intensity level slicing with background r1=2 & r2=5
(iv) bit-plane slicing for MSB & LSB
8 M
6(b)
If the 1-DCT kernel is g(x,u) =
Find The DCT of given image:
Find The DCT of given image:
8 M
6(c)
Discuss the limitations of the Laplacian operator for edge detection compared with the gradient operators.
4 M
Write short notes on any two :-
7(a)
Object Detection using coorelation principle.
10 M
7(b)
Region based segmentation.
10 M
7(c)
Content Based Image Retrieval (C.B.I.R)
10 M
7(d)
Copyright marking.
10 M
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