STUPIDSID
Attempt any four questions:-
1(a)
Find the energy of the signal
5 M
1(b)
Prove that two dimensional DFT matrix is an unitary matrix.
5 M
1(c)
What do you understand by digital negative of an image?
5 M
1(d)
Show that Highpass = Original - Lowpass.
5 M
1(e)
Give five classifications for the system in Digital Signal Processing with examples.
5 M
1(f)
Compare analog and digital filters.
5 M
2(a)
Find convolution of the two sequences x(n)= {1,2,3,4}h(n)={1,-1}
4 M
2(b)
Determine N point circular convolution
6 M
2(c)
A particular digital image with 8 quantization level has following histogram. Perform the histogram equalization.
10 M
3(a)
What is morphology? Name and explain the basic operations in morphology.
10 M
3(b)
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
(v) Clipping with r1=2 & r2 =5
(i) Negative
(ii) Thresholding with T=4
(iii) Intensity level slicing with background r1=2 & r2 =5
(iv) bit-plane slicing for MSB & LSB
(v) Clipping with r1=2 & r2 =5
10 M
4(a)
Design a Butterworth filter using Bilinear Transformation method with the following specification
Ap=3dB, As=15dB, ?p=0.5?, ?s=0.75?, Fs=1Hz.
Ap=3dB, As=15dB, ?p=0.5?, ?s=0.75?, Fs=1Hz.
10 M
4(b)
Explain the method of segmentation using region splitting and merging.
10 M
5(a)
Explain the following with examples:
(i) Thinning
(ii) Hit or miss transformation
(i) Thinning
(ii) Hit or miss transformation
10 M
5(b)
Find 8 point DFT if x(n).
10 M
6(a)
Differentiate between the following:
(i) Convolution Vs Correlation.
(ii) Bit- plane slicing Vs Grey level slicing.
(iii) Low pass filter Vs Median filter.
(i) Convolution Vs Correlation.
(ii) Bit- plane slicing Vs Grey level slicing.
(iii) Low pass filter Vs Median filter.
10 M
6(b)
Write a note on DCT and its applications . Find DCT of the given 4x4 image.
10 M
Write short notes on (any four) :-
7(a)
Digital Watermarking.
5 M
7(b)
Biometrics Authentication.
5 M
7(c)
Lossy Image Compression.
5 M
7(d)
Content Based Image Retrieval (CBIR).
5 M
7(e)
Text Compression.
5 M
7(f)
Hadamard Transform.
5 M
7(g)
Vector Quantization.
5 M
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