Download AKTU (Dr. A.P.J. Abdul Kalam Technical University (AKTU), formerly Uttar Pradesh Technical University (UPTU) B-Tech 8th Semester (Eight Semester) 2016-17 NEN043 Image Processing Question Paper
B.TECH.
THEORY EXAMINATION (SEM?VIII) 2016-17
IMAGE PROCESSING
T ime : 3 Hours Max. Marks : 100
Note .' Be precise in your answer. In case ofnumericalproblem assume data wherever not provided.
SECTION ? A
1. Explain the following: 10 x 2 = 20
(a) Explain sampling and quantization.
(b) Explain the 3D Image processing
(c) Give various grey level slicing techniques.
(d) Explain smoothing and sharpening
(e) How biometric features can be useful for recognition?
(1) Explain topological and texture analysis in brief.
(g) What do you mean by signature verification?
(h) What do you mean by Mach Bands?
(i) What is Isomorphism?
(j) Define Fuzzy Logic.
SECTION ? B
2. Attempt any ?ve of the following questions: 5 x 10 = 50
(a) Derive the mathematical expression for DCT and enumerate the properties of DCT.
(b) Draw the block diagram of signature verification and explain its working.
(c) Draw the block diagram of a digital image restoration system and explain it. Classify
the image restoration system and explain Wiener filter.
(d) Discuss the match based segmentation in detail. What is supervised and unsupervised
evaluation? Differentiate with some examples.
(e) Discuss fourier wavelet principal components, analysis in image analysis in detail.
(1) Show that a two dimensional Gaussian is separable, while the Laplacian of a Gaussian
operator is not separable.
(g) Write short note on:
(a) Finger print classification.
(b) Text recognition
(h) What is meant by image quantizer ? What are the advantages of image quantizer?
SECTION ? C
Attempt any two of the following questions: 2 x 15 = 30
3 (i) Differentiate between winer and inverse filteration
(ii) Differentiate between linear and bicubic interpolation
4 What is histogram? For what purpose is it used? Explain histogram specification with
example. Discuss image compression techniques.
5 What do you mean by Nyquist rate, alliasing and fold over frequency as related to
sampling of images ? How the image is reconstructed from its samples ?
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This post was last modified on 30 January 2020