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A

Section A: Long Answer Questions

Attempt any TWO questions.

3 questions·10 marks each
1long10 marks

What is digital image processing? Explain the fundamental steps in digital image processing and the components of an image processing system with a block diagram.

fundamentals
2long10 marks

What is histogram equalization? Explain the procedure with the help of a mathematical formulation and a worked example.

histogramenhancement
3long10 marks

Explain image segmentation. Discuss the region split-and-merge technique and adaptive thresholding for segmentation.

segmentation
B

Section B: Short Answer Questions

Attempt any EIGHT questions.

9 questions·5 marks each
4short5 marks

Define image sampling and quantization.

fundamentals
5short5 marks

What is image enhancement? Differentiate between spatial and frequency domain enhancement.

enhancement
6short5 marks

Explain the concept of a histogram of an image.

histogram
7short5 marks

What is a low-pass filter? How is it used for smoothing?

filtering
8short5 marks

Differentiate between lossy and lossless image compression.

compression
9short5 marks

What are the properties of the 2D Fourier transform?

fourier
10short5 marks

Explain edge detection using the Sobel operator.

edge-detection
11short5 marks

What is image restoration?

restoration
12short5 marks

Write short notes on the RGB and HSI colour models.

color