Explain different steps in digital image processing. Define neighbor of a pixel. How do you find the distances between pixels? [6 + 2 + 2]

Why do we need to enhance the image? How do you use histogram in image enhancement? Differentiate between log transformation and power log transformation. [2 + 4 + 4]

Explain the properties of Fourier transformation. Derive the relation for 1-D Fast Fourier Transformation in spatial domain. [5 + 5]

Explain image degradation and restoration process. [5]

Why do we need to remove noise? Discuss about median, max, and min filters. [1 + 4]

Define image segmentation. Explain the three basic types of gray level discontinuity detection. [1 + 4]

How are band reject filters used to remove periodic noise? Explain. [5]

Describe the algorithm for region splitting and merging in brief. [5]

Explain how inter-pixel redundancy can be identified and exploited. [5]

Explain erosion with an example. [2 + 3]

How is signature used in boundary representation? What does shape number mean? Explain. [2 + 3]

Define pattern and pattern class. How do you detect foreground and background of the image? Explain. [1 + 4]