Download AKTU B-Tech 8th Sem 2016-17 Digital Image Processing Question Paper

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 Digital Image Processing Question Paper

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B. TECH.
THEORY EXAMINATION (SEM?VIII) 2016-17
DIGITAL 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. Attempt all parts of the following questions: 10 x 2 = 20
(a) Define Image. What is Dynamic range?
(b) What is meant by illumination and re?ectance?
(c) Find the number of bits required to store a 256 X 256 image with 32 gray levels?
(d) Explain the type of connectivity.
(e) What is contrast stretching?
(1) What do you mean by dilation and erosion?
(g) Explain Noise model.
(h) List edge detection operators.
(i) Explain Affine transform.
(j) Explain the concept of thresholding.
SECTION ? B
2. Attempt any ?ve parts of the following questions: 5 x 10 = 50
(a) What is digital image processing? Draw a block diagram. And discuss some of its
major applications.
(b) Write a short note on
(i) Sampling and Quantization (ii) Homomorphic filtering
(e) Explain Histogram equalization. And equalize the given histogram.
Grey level
Number of Pixel 790 1023 850 656 329 245 122 81
(d) Define boundary extraction? Perform boundary extraction on image A with the help of
structuring element B
A =
B =
(e) What is Noise? Define any two noise models in detail.
(1) What is Geometric transformation? Also discuss Euclidean Transformation.
(g) How dilation and erosion is used in Morphological operations. How it is used in
opening and closing operations.
(h) Write a short note on
(i) Image Segmentation (ii) Sampling and quantization
(ii) Illumination and re?ectance
SECTION ? C
Attempt any two parts of the following questions: 2 x 15 = 30
3 What are the different stages of digital image processing? Explain each stage in detail.
4 Explain the following in details
(i) Stereo Imaging (ii) Region filling (iii) Convex Hull
5 What is image restoration? Draw and explain the basic block diagram of the restoration
process. Give two areas where restoration process can be applied?