MODEL PAPER FORMAT

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6 Νοε 2013 (πριν από 3 χρόνια και 8 μήνες)

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MODEL PAPER FORMAT


Name of the Paper :
MT00
24


Time :
2 hrs.


Total no. of questions in each part :
PART


A = 40 questions, PART


B = 20 questions, PART


C = 15 questions


Total marks :

140


PART


A



1.

Which among the following statements is wrong with respect to a digital image?


A)

Digital image is a two dimensional function f(x, y)

B)

In a digital image represented as f(x,y), x and y represent brightness
and color

C)

A digital image can be considered as a matrix

D)

A single data point on a digital image may be termed as a pixel


2.

For a pixel p at coordinates (x, y), its vertical neighbors are given by


A)

(x, y+1), (x, y), (x, y
-
1), (x+1, )

B)

(x, y+1), (x, y),(x, y
-
1)

C)

(x,y+1
), (x, y
-
1)

D)

(x,y)


3.

The mask given below represents _______


1/9 *

1

1

1

1

1

1

1

1

1


A)

High pass spatial filtering

B)

Low pass spatial filtering

C)

Median spatial filtering

D)

High boost filtering


PART


B



1.

Which among the following statements is true regarding image segmentation?

(i)

The output of the segmentation stage is usually is raw pixel data

(ii)

Segmentation partitions the input image into equally sized square regions

(iii)

The output data after image
segmentation may consist of boundary of a region in the image

(iv)

The output data after image segmentation may consist of all the points in the region identified

(v)

Image segmentation partitions the image into its constituent objects

(vi)

Autonomous segmentation and r
ugged segmentation are types of segmentation techniques


A)

All

B)

(i), (ii), (iii)

C)

(i),(iii), (iv), (v), (vi)

D)

(i), (ii), (iv), (vi)


2.

When an image is digitized into a matrix of dimensions M x N such that M=2
k
, N=2
n

and the number of gray levels
selected G= 2
m
, then the total number of bits required to store this image is


A)

N x M

B)

N2

C)

N x m

D)

N x M x m

3.

Which among the following statements is not true regarding the features of Fourier Transform?

i)

Feature of separability means separating the frequency and p
hase component of a Fourier transform

ii)

The feature of translation can be represented as


f(x, y)exp[j2

(u
0
x+v
0
y)/N]


F(u
-
u
0
, v
-
v
0
)

iii)

The feature of periodicity and conjugate symmetry may be represented as


f(x
-
x
0
, y
-
y
0
)


F(u,v)exp[
-
j2


(ux
0
+vy
0
)/N
]

iv)

The feature of rotation may be given by

f(r,


+

0
)


F(

,


+

0
)


A)

Only (i)

B)

(i) and (iii)

C)

(i), (ii) and (iii)

D)

All the above


PART
-

C



1.

Consider the following table of variable length coding


r
k

p
r
(r
k
)

Code 1

l
1
(r
k
)

Code 2

l
2

(r
k
)

0

0.19

000

3


11

2

1/7

0.25

001

3



01

2

2/7

0.21

010

3


10

2

3/7

0.16

011

3


001

3

4/7

0.08

100

3


0001

4

5/7

0.06

101

3


00001

5

6/7

0.03

110

3

000001

6

1

0.02

111

3

000000

6



What is the

compression ratio
and
relative data redundancy

between Code1 and Code2?


A)

1.11

and 0.099

B)

1.11 and 99%

C)

1.11 and 9.9 %

D)

1.11 and .99


2.

In the following table, what is the Huffman code assigned to symbol A2?


Symbol

Probability

A1

0.1

A2

0.4

A3

0.06

A4

0.1

A5

0.04

A6

0.3


A)

1

B)

0

C)

10

D)

01


3.

Consider the following data sequence




ABBCCCDDDDEEEEEFFFFFHHHHHHHIIIIIIIJJJJJJKKKKKLLLLMMMMNNNPP


The sequence after run length encoding becomes as ______ and the compression ratio is ______


A)

1A2B3C4D5E6F7H8I7J6K4L4M3N2P,


19:29

B)

1A2B3C4D5E6F7H7I7J5K4L3M3N2P,


28:58

C)

1A2B3C4D5E5F7H7I6
J5K4L4M3N2P,


58:28

D)

1A2B3C4D5E6F7H6I5J5K4L3M3N2P,


29:19