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Dip r13-3

The document discusses digital image processing techniques. It covers topics like image enhancement, restoration, segmentation, transforms, filtering, compression. It provides definitions for key concepts and comparisons of different techniques. The document is divided into two parts, with the first part containing short questions and the second containing longer questions requiring explanations.

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Shiva Glenn
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28 views2 pages

Dip r13-3

The document discusses digital image processing techniques. It covers topics like image enhancement, restoration, segmentation, transforms, filtering, compression. It provides definitions for key concepts and comparisons of different techniques. The document is divided into two parts, with the first part containing short questions and the second containing longer questions requiring explanations.

Uploaded by

Shiva Glenn
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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R13

JN
Code No: 117CJ
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
B. Tech IV Year I Semester Examinations, November/December - 2018
DIGITAL IMAGE PROCESSING
TU
(Common to ECE, ETM)
Time: 3 Hours Max. Marks: 75
Note: This question paper contains two parts A and B.
Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B
H
consists of 5 Units. Answer any one full question from each unit. Each question
carries 10 marks and may have a, b, c as sub questions.
U
PART- A
(25 Marks)
SE
1.a) What is Digital Image Processing? [2]
b) Define Walsh Transform. [3]
c) What is the objective of image enhancement technique? [2]
d) List the steps involved in frequency domain filtering. [3]
D
e) Compare Image enhancement and Restoration techniques. [2]
f) Write the drawbacks of image restoration using inverse filtering. [3]
g) List the applications of segmentation. [2]
17
h) What is global, Local and dynamic or adaptive threshold? [3]
i) What is image compression? [2]
j) List out the JPEG 2000 standards. [3]
-1
PART-B
(50 Marks)
2-
2.a) Explain the basic concepts of sampling and quantization in the generation of digital image.
b) Explain the following terms:
i) Adjacency ii) Connectivity iii) Regions iv) Boundaries. [5+5]
1
OR
8A
3.a) Compare and contrast different image transform techniques.
b) Find out the Slant transform matrix for N=8. [5+5]

4.a) Illustrate the histograms of basic Image types.


M
b) Discuss any one method of an image enhancement through point operation. [4+6]
OR
5.a) Explain image smoothing using ideal lowpass filters.
Se
b) List various approaches used in Image enhancement and then discuss any one method of
it. [5+5]

6. Discuss in detail the image restoration using minimum mean square error filtering.[10]
t2
OR
7.a) How degradation function is estimated? Explain.
b) Briefly explain the interactive image restoration. [5+5]
JN
8.a) Explain briefly the segmentation based on thresholding.
b) Discuss briefly the region based segmentation. [5+5]
OR
9. Discuss in detail the following morphological operations:
TU
a) Erosion
b) Dilation [5+5]

10.a) What is Error Free Compression? Explain.


H
b) Discuss briefly the Image compression using Arithmetic coding. [5+5]
OR
11. Draw the functional block diagram of image compression system and explain the purpose
U
of each block. [10]
SE
--ooOoo--
D
17
-1
2-
1 8A
M
Se
t2

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