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A

Section A: Long Answer Questions

Attempt any TWO questions.

3 questions·10 marks each
1long10 marks

Explain image enhancement in the spatial domain. Discuss point processing techniques (negative, log, power-law) and histogram processing.

enhancementhistogram
2long10 marks

What is the Butterworth filter? Explain Butterworth high-pass and low-pass frequency-domain filters for image sharpening and smoothing.

filteringfrequency-domain
3long10 marks

Explain image segmentation techniques. Discuss edge-based and region-based segmentation in detail.

segmentation
B

Section B: Short Answer Questions

Attempt any EIGHT questions.

9 questions·5 marks each
4short5 marks

Define a digital image and a pixel.

fundamentals
5short5 marks

What is gamma correction?

enhancement
6short5 marks

Explain the histogram equalization process briefly.

histogram
7short5 marks

What is image sharpening? Which filters are used?

filtering
8short5 marks

Explain the Haar transform.

transforms
9short5 marks

What is thresholding in segmentation?

segmentation
10short5 marks

Differentiate between opening and closing in morphology.

morphology
11short5 marks

What is run-length encoding in image compression?

compression
12short5 marks

Write short notes on the Walsh transform.

transforms