Image Processing 2075

Tribhuwan University
Institute of Science and Technology
2075
Bachelor Level / Fifth Semester / Science
Computer Science and Information Technology ( CSC321 )
( Image Processing )
Full Marks: 60
Pass Marks: 24
Time: 3 hours
Candidates are required to give their answers in their own words as far as practicable.
The figures in the margin indicate full marks.

Attempt any ten questions.

1. What is a digital image? Draw and explain the block diagram of a typical image processing system in brief.(1+5)
6 marks view

2. Define Discrete Cosine Transform(DCT). Differentiate between Discrete Fourier Transform (DFT) and Fast Fourier Transform(FFR).

6 marks view

3. Explain the term 'Log and inverse log transformation' techniques for the purpose of image enhancement. Explain the average spatial filter along with suitable algorithm for its implementation.(2+4)

6 marks view
4. Explain the term Contrast Stretching and the Histogram Equalization.(3+1)
4 marks view

5. What do you mean by Lossless Predictive Coding? Explain it with a suitable block diagram.(6)

6 marks view

6. Explain the detail procedure for implementing Butterworth Low Pass filter in Frequency domain.(6)

6 marks view

7. What is zooming? Express the process of zooming by replication method.(6)

6 marks view

8. Explain in detail the region growing techniques for image segmentation. List the problems associated with region growing technique.(4+2)

6 marks view
9. What are components of a pattern recognition system? Explain the relevant diagrams.(6)
6 marks view

10. Derive the equation for Laplacian filter and write the algorithm for its implementation.(6)

6 marks view

11. Write short notes on:(3+3)

a) Neural Network

b) Global thresholding

6 marks view