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

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B. TECH.

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THEORY EXAMINATION (SEM–VIII) 2016-17

DIGITAL IMAGE PROCESSING

Max. Marks : 100

Note: Be precise in your answer. In case of numerical problem assume data wherever not provided.

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SECTION – A

1. Attempt all parts of the following questions: 10 x 2 = 20
   1. Define Image. What is Dynamic range?
   2. What is meant by illumination and reflectance?
   3. Find the number of bits required to store a 256 X 256 image with 32 gray levels?
   4. Explain the type of connectivity.

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   5. What is contrast stretching?
   6. What do you mean by dilation and erosion?
   7. Explain Noise model.
   8. List edge detection operators.
   9. Explain Affine transform.

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   10. Explain the concept of thresholding.

SECTION - B

2. Attempt any five parts of the following questions: 5 x 10 = 50
   1. What is digital image processing? Draw a block diagram. And discuss some of its major applications.
   2. Write a short note on
      1. Sampling and Quantization

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      2. Homomorphic filtering
   3. Explain Histogram equalization. And equalize the given histogram.
      Grey level       790     1023     850     656     329     245     122     81
      Number of Pixel

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   4. Define boundary extraction? Perform boundary extraction on image A with the help of structuring element B
      A =
      B =
   5. What is Geometric transformation? Also discuss Euclidean Transformation.
   6. How dilation and erosion is used in Morphological operations. How it is used in opening and closing operations.

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   7. What is Noise? Define any two noise models in detail.
   8. Write a short note on
      1. Image Segmentation
      2. Illumination and reflectance

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SECTION – C

3. Attempt any two parts of the following questions: 2 x 15 = 30
4. What are the different stages of digital image processing? Explain each stage in detail.
5. Explain the following in details
   1. Stereo Imaging
   2. Region filling

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   3. Convex Hull
6. What is image restoration? Draw and explain the basic block diagram of the restoration process. Give two areas where restoration process can be applied?

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