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ranchocucamongabrrrΤεχνίτη Νοημοσύνη και Ρομποτική

6 Νοε 2013 (πριν από 4 χρόνια και 1 μήνα)

90 εμφανίσεις

1)

What is image and what is spatial representation

2)

What are the basic elements of digital image processing system. Briefly explain each one

3)

Explain various area of applications of Image processing

4)

Define image and explain image processing with block
diagram. Also list type of sensors

5)

Calculate storage req
uirement for
M
X
N

binary
,
x

gray level and
y

bit colour image

6)

Explain basic concept of sampling and quantization. Discuss spatial and gray

level resolution

7)

Explain briefly aliasing. What is false
contouring?

What is moiré effect

8)

What do you understand by image sampling and gray level quantization

9)

What is meant by band limited function

10)

What is histogram? Explain histogram stretching

11)

How equalization of histogram is done? Why it is done?

12)

Explain Medi
an filtering

with example

13)

Explain Min filtering with example

14)

Explain Max filtering with example

15)

What is effect of low pass filtering on image?

16)

What is difference between spatial and frequency enhancement

17)

What is high boost filtering & how image is affected

by its application

18)

State and explain periodicity and conjugate symmetry property of Fourier transform

19)

Discuss advantages of fast Fourier over discrete Fourier transform

20)

Explain convolution and correlation

21)

Draw and explain structure of human eye and discus
s human vision system

22)

List & Explain Various type of noise in an image. How salt & pepper noise can be removed

23)

Give transfer function of band reject ideal filter along with graphical representation

24)

Give transfer function of band reject butter worth filter
along with graphical representation

25)

Give transfer function of band pass ideal filter along with graphical representation

26)

Give transfer function of band pass butter worth filter along with graphical representation

27)

Give transfer function of low pass ideal
filter along with graphical representation

28)

Give transfer function of low pass butter worth filter along with graphical representation

29)

Explain image subtraction with application in the area of PCB inspection. How periodic noise is
removed in Image

30)

Give any
two point processing methods for image enhancement

31)

Derive
Fourier

transform of f(x) of unidirectional square pulse

32)

Explain image enhancement with ref. to frequency domain & role of Fourier transform & Inverse
Fourier transform to it

33)

Define Fourier transfor
m of continuous function f(x, y) and also define Fourier and power spectra

34)

What is convolution theorem?

35)

What are the number of operations required to implement a DFT & FFT of a N length sequence

36)

Define various type of connectivity of a pixel. When can we s
ay that two pixels are connected.

37)

What is difference between image enhancement and restoration? Explain degradation model

38)

What is meant by degradation model?

Give its discrete formulation

39)

A sub image of 3X3 is shown below. The centre value (underlined) of

the sub image is to be replaced.
What will be this value if it is Mean, Median, Minimum or Maximum filters been used

95 115 114

100
85

105


89 95 105

40)

For central pixel, which is the connectivity indicated by pixel

arrangement sho
wn in figure below

0


1


1

0


1


0

0


0


1

41)

Develop FFT algorithm based on successive doubling method for a one dimensional function f(x)

with
sequence N

42)

Derive the expression for inverse filtering in frequency domain

43)

Define degradation process
using block diagram & explain degradation operator