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DOEACC Society 2006 DOEACC B Level BE8 Digital Image Processing ( ) - Question Paper

Friday, 14 June 2013 03:55Web

BE8-R3: DIGITAL IMAGE PROCESSING
NOTE:
Time: three Hours Total Marks: 100
1.
a) define the main features of CCD camera.
b) Distinguish ranging from RGB and HIS color models?
c) discuss Order-Statistics Filter.
d) discuss the term Connectivity and Adjacency with example.
e) Explain, how the Haar transform is useful in Image Processing.
f) define the Inter-Pixel Redundancy and explain, how it is useful in image compression.
g) define the special features of Document Image Processing as compared to Normal
Image Processing
(7x4)
2.
a) discuss the Histogram Equalization technique and Histogram Matching technique, also
discuss their applications in the field of Digital image processing.
b) discuss the correspondence ranging from spatial and frequency domain filters by taking the
example of the high pass filter.
(10+8)
3.
a) If the 2 functions f(x) and g(x):
f(x)= 1, 00 otherwise
g(x) = ΒΌ 0.
0 otherwise
obtain the convolution of f(x) and g(x)
b) discuss the Median filter technique and the advantages and disadvantages of Median
filter over the Mean/Average filter technique.
(9+9)
4.
a) explain the role of the Laplacian operator as an edge detector. What is the major
shortcoming of the Laplacian operator?
b) explain different menus in colour image smoothing.
c) explain Hough transform algorithm for line detection.
(6+6+6)
BE8-R3 Page one of two July, 2006
1. ans ques. one and any 4 ques. from two to 7.
2. Parts of the identical ques. should be answered together and in the identical
sequence.
5.
a) discuss the Opening and Closing in situation of the Morphology with the help of the
example.
b) discuss Statistical Texture Description.
c) discuss the Document Image Processing.
(6+6+6)
6.
a) Compare the lossy and lossless compression with example.
b) How can we speed up JPEG compression?
c) discuss LZW compression technique.
(4+7+7)
7. Write short notes on any 3 of the following:
a) Remote Switching
b) Image Restoration
c) Colour Texture Description
d) Overview of MPEG-4
(3x6)
BE8-R3 Page two of two July, 2006


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