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A

Section A: Long Answer Questions

Attempt any TWO questions.

3 questions·10 marks each
1long10 marks

Explain the Fourier transform and its application in digital image processing. Discuss its important properties with derivations.

fourier
2long10 marks

What is spatial filtering? Explain low-pass, high-pass, and band-pass filtering with their masks and effects on the image.

filtering
3long10 marks

Explain image compression. Discuss the JPEG compression algorithm step by step.

compressionjpeg
B

Section B: Short Answer Questions

Attempt any EIGHT questions.

9 questions·5 marks each
4short5 marks

What is the relationship between pixels (neighbours and connectivity)?

fundamentals
5short5 marks

Explain contrast stretching.

enhancement
6short5 marks

What is histogram specification (matching)?

histogram
7short5 marks

Differentiate between mean filter and median filter.

filtering
8short5 marks

What is the Discrete Cosine Transform (DCT)?

transforms
9short5 marks

Explain the Laplacian operator for edge detection.

edge-detection
10short5 marks

What is the difference between erosion and dilation?

morphology
11short5 marks

Define image degradation model.

restoration
12short5 marks

Write short notes on the Hadamard transform.

transforms