14 a)
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15 a)
b)
16 a)
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17 a)
b)
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19 a)
b)

10000CS463122101

PART ^
Answer any two full questions, each carries 9 marks.
Write short note on 1) Roof edge 2) Ramp edge.
What visual effect does histogram equalization have on an image?
What is Gaussian high pass filters. Give two effects of GHPF.
Draw the block diagram for homomorphic filtering.

Describe about contrast stretching in spatial domain.

Apply contrast stretching technique on 3-bit gray level image of size 4*4.

What are the various smoothing frequency domain filters.
PART 0
Answer any two full questions, each carries 12 marks.

Write the Sobel masks for detecting diagonal edges.
Give the algorithm of global thresholding.
What is the importance of hit and miss transform?
Explain the following morphological operations with suitable examples
i) Closing ii) Opening
Explain the term

i. Edge normal

11. Edge direction

Given an image, obtain the 4-chain code and find shape number of it.

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