Biju Patnaik University of Technology 2008-7th Sem B.Tech (B Tech),ester digital image and speech processing - Question Paper

B Tech(BPUT) seventh semester ques. paper of digital image processing.

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Total number of printed pages4 B. Tech

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CP EC 5402

Seventh Semester Examination - 2008 DIGITAL IMAGE AND SPEECH PROCESSING Full Marks-70

Time-3.Hours

Answer Question No. 1 which is compulsofy and any five from the rest.

The figures in the right-hand margin indicate marks.

1. Answer the following questions : 2x10

(i)    What do mean by Gray level resolution ?

(ii)    What is histogram based processing ?

(iii)    How a discrete time signal is different than a digital signal?

(iv)    How wavelet transform is different from Fourier transform ?

(v)    What is Image Morphology 7

(v!) What are the advantages of FIR systems over MR systems?

(vii)    Give the mathematical models of digital image and digital speech.

(viii)    What is image blur ? How it can be removed ?

(ix)    What is adaptive quantization ?

(x)    Write the principle of a speaker recognition system ?

2.    (a) Explain different image formation models,

7

(b) What are the components of an Image Processing system ?    3

3.    Explain how image enhancement is achieved

using Gray level transformation and using

logical operations.    10

CPEC 5402    2    Corttd.

Describe the image degradation model¹ using a neat diagram. Explain different image restoration techniques.    10

5.    (a) Suppose a digital image is subjected to

histogram equalization. Show that the second pass of histogram equalization will produce the same result as the first pass,

5

(b) How DFT is different form DTFT ? Describe the properties of DFT,    5

6.    Explain different time domain methods of speech processing.    10

7.    (a) What are the basic principles of Linear

Predictive Analysis ?    7

(b) G ive a block diagram for speech produc*

3

lion.

CPEC 5402

Write short notes on the following: 2,5x4 {ij Color image processing Jjj) (mage Compression _v.(iii) Homomorphic Filtering

(iv) Multispectrahimage Processing.

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CPEC 5402

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Attachment: biju-patnaik-university-of-technology-2008-b-tech-36097-1.pdf

Earning:   Approval pending.