Digital Image Processing 2018 Question Paper — Government College of…
The 2018 Digital Image Processing previous year question paper (Government College of Engineering and Technology, Jammu), with every question and its marks.
- University: Government College of Engineering and Technology, Jammu
- Subject: Digital Image Processing
- Course: DIGITAL IMAGE PROCESSING
- Branch: Electronics & Communication Engineering
- Year: 2018
- Paper: end-term
- Duration: 180 minutes
- Total marks: 100
Instructions
- Attempt five questions in all, selecting at least two questions from each section.
- All questions carry equal marks.
- Assume missing data suitably.
Questions
SECTION A
- Q1. (a) What is the difference between Scene and Image ? Explain in detail, the fundamental steps involved in digital image processing systems. (b) Explain the significance of Sampling and Quantization in DIP. [20 marks]
- Q2. (a) Illustrate the 2-D Fourier transform and its pair. State and prove their properties. (b) Explain a 2-Dimensional DFT can be obtained using a 1-Dimensional DFT algorithm twice. [20 marks]
- Q3. Describe the basic principles of Image enhancement by : (i) Spatial Domain Methods. (ii) Frequency Domain Methods. [20 marks]
- Q4. (a) Explain how Histogram can aid in the process of thresholding and contrast stretching. (b) Perform Histogram stretching so that the new image has a dynamic range of $[0, 7]$ : Gray level | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 ---|---|---|---|---|---|---|---|--- No. of Pixels | 50 | 0 | 50 | 0 | 50 | 0 | 50 | 0 [20 marks]
SECTION B
- Q5. (a) Explain the process of Inverse filtering in Image restoration with suitable example. (b) What is Image restoration ? Explain the degradation model for continuous function in detail. [20 marks]
- Q6. (a) Explain the Noise model for Image restoration. (b) How the derivatives are obtained in Edge detection during formulation ? [20 marks]
- Q7. (a) Discuss the Edge extraction operators in Image segmentation and use these masks on an Image of your choice. (b) Explain Segmentation based on discontinuities and segmentation based on similarities. [20 marks]
- Q8. (a) What is meant by Compression and Decompression ? Draw the Image compression model and describe the work of each block. (b) Describe the Compression Technique used in JPEG. [20 marks]
Related pages
Other years
- Digital Image Processing 2018 question paper — end-term