Image Processing 2071
Attempt any ten questions:[6 x 10 = 60]
1. What is digital image and digital image processing? Explain.
2. Explain the adjacency and path of image pixels. Calculate the 8-adjacent and m-adjacent path from (1,3) to(3,2) for following image on V{0,1}.
0 2 1
0 2 0
0 0 1
3. What is Histogram Modeling? Compute the histogram equalization of the given data.
| Gray Level 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| No. of pixels 5320 | 1000 | 500 | 525 | 1236 | 956 | 856 | 128 |
4. What do you mean by image enhancement? Explain the operation of Power law (Gamma) transformation with example.
5. Construct Huffman code for each gray level given and find the compression ratio and coding efficiency.
| Gray Level | 0 | 1 | 2 | 4 | 5 | 6 | 7 |
| No. of Pixels | 30 | 35 | 38 | 15 | 10 | 38 | 80 |
6. What is boundary? Explain spatial averaging filter.
7. What is Hough transform? How it is useful in line detection? Explain with example.
8. How edges are detected using the gradient operators? Explain with suitable example.
9. What is pattern and pattern recognition? Explain the steps and application areas of pattern recognition syatem.
10. Write short notes on:
a) Features extraction
b) Wavelet transform