GTU Fundamentals of Image Processing - June 2014 Exam Question Paper

GTU Electronics and Communication Engineering (Semester 8)
Fundamentals of Image Processing
June 2014

Total marks: --
Total time: --

INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

1 (a) Draw and explain structure of Human eye and discuss human vision system.

7 M

1 (b) Draw and explain basic block diagram of image processing system.

7 M

2 (a) Write short note on point processing for spatial domain enhancement.

7 M

2 (b) What is histogram? Explain histogram equalization algorithm.

7 M

2 (c) Compare and contrast average filtering and median filtering.

7 M

3 (a) Discuss steps of image filtering in frequency domain. Discuss 2D discrete Fourier transform with help of equation.

7 M

3 (b) Write MATLAB code for homomorphic filtering on square image.

7 M

3 (c) Explain a linear image degradation model, an inverse restoration filter and its Limitations.

7 M

3 (d) List advantages and disadvantages of the wiener filter.

7 M

4 (a) What are different ways of region based segmentation? Explain anyone with an example.

7 M

4 (b) What is the purpose of Hough transform? Write steps of Hough transform for XY plane. Which problem occurs in Hough transform in XY plane for vertical line?

7 M

4 (c) Find the Huffman code for the following stream of data.
{1,1,1,1,1,1,1,2,2,2,2,2,2,3,3,3,3,3,4,4,4,4,5,5,5,6,6,7}

7 M

4 (d) Explain JPEG compression algorithm with an example.

7 M

5 (a) Explain dilation and erosion morphological operations.

7 M

5 (b) Explain thinning and thickening operations on the digital image.

7 M

5 (c) Which are different color models? Explain any one in detail.

7 M

5 (d) Write a short note on Pseudo-colouring.

7 M

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