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00000CS 463121903

PART (^
Answer any two full questions, each carries 9 marks.

Describe the steps involved in frequency domain filtering.
Explain unsharp masking and high boost filtering.
Explain the following grey level transformation functions

i) image negatives

ii) Log Transformation
Perform histogram equalization of the following 3-bit grayscale image whose

gray level distribution is given as follows

No. of

Pixels

Explain the following image enhancement techniques in Frequency domain
i) Gaussian High pass filter

ii) Butterworth high pass filter

What is the effect of Homomorphic Filtering while enhancing an image?

PART 0
Answer any two full questions, each carries 12 marks.

Write a short note on edge detection.

Explain region splitting and merging.

Describe various thresholding-based segmentation.
Explain the concept of Hit or Miss Transformation.
Explain the following

i) Polygonal approximation approaches

ii) Boundary Segmentation

Define Chain Codes.

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