Distinguish between high frequency emphasis filter and Laplacian filter. Find the output of the following image using histogram equalization, where number of possible gray levels is 8. [3 + 7]

Define noise. Explain the models for image degradation and restoration process. [2 + 8]

What are the differences between spatial domain and frequency domain? Compute the 2D DFT of the following image. [3 + 7]

Discuss about chain code. Write the shape number of the object having chain code {0, 7, 5, 4, 3, 1}. [2.5 + 2.5]

How logic operation on binary images can be used for masking and feature detection? Explain. [5]

Define pattern and pattern class. How decision theoretic methods minimize the probability of misclassification? [2 + 3]

Given the following image, detect the edge using magnitude and direction of gradient, using Prewitt operator. [5]

What is image segmentation? How do you detect horizontal and vertical line? [2 + 3]

Describe the steps in digital image processing. [5]

How do you measure distance between pixels? Discuss about region oriented segmentation. [5]

Define clipping and contrast stretching. Compute Hadamard transform of the data sequence {1, 0, 3}. [1 + 4]

Distinguish between forward and inverse transform. Define pixel coding, run length and plane. [2 + 3]