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University of Barishal

Department of Computer Science and Engineering

Final Exam

Course Title: Digital Image Processing (CSE-4201)

Semester: 8th | Session: 17-18

Time: 180 minutes | Marks: 60.00

Course Teacher: Dr. Md. Manjur Ahmed

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Answer any five Questions from the followings.

1.

a) What do you mean by Image and Digital Image processing?

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3 Marks
b) Describe briefly fundamental steps of Digital image processing with a suitable diagram.

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5 Marks
c) What are the major components of Digital Image Processing?

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4 Marks
2.

a) Describe basic relationships between pixels using Neighborhood (N4, N8), Adjacency, Connectivity and paths with examples.

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6 Marks
b) Explain image formation procedure on Human Eye and Digital Camera.

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4 Marks
c) Mention the most prominent DIP application areas.

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2 Marks
3.

a) What is image filtering? Why its necessity is very crucial in DIP?

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3 Marks
b) Write short notes on Blurring and Noise Reduction Filter.

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3 Marks
c) What are the necessity image smoothing and image sharpening in DIP?

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2 Marks
d) Shows first order derivative and Laplacian filtering for DIP.

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4 Marks
4.

a) What is the Histogram Processing in DIP? Mention various advantages/disadvantages of Histogram Processing?

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3 Marks
b) Perform Histogram Equalization on Gray level distribution shown in the table. Draw the histograms of the original and equalized images. Comment on the contrast of the image before histogram equation and after histogram equalization.

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4 Marks
c) Discuss any two-intensity transformation function among Linear transform, Log transform, Power law transform for an eight-bit image.

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5 Marks
5.

a) What is the noise of image? Mention the variations of image noise? How to solve them?

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3 Marks
b) What is color model? Describe in brief RGB, CMYK and HIS color models.

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5 Marks
c) Explain color model conversion using mathematical calculation from RGB to HSI and HSI to RGB.

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4 Marks
6.

a) What is Pattern Recognition? Why do you feel the uses of Pattern Recognition in DIP?

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3 Marks
b) What is Image Segmentation? Is it essential in DIP?

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3 Marks
c) Write down basic characteristics of Image Segmentation types and techniques.

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6 Marks
7.

a) Why need structuring element in morphological image processing?

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3 Marks
b) Explicate morphological image processing fundamental operation Dilation and Erosion with suitable diagram.

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5 Marks
c) Make a comparative analysis of opening and closing operation in morphological processing.

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4 Marks
8.

a) Describe Thinning and Thickening operation elaborately.

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3 Marks
b) Write short note on: i) Huffman Coding ii) Run-length encoding iii) Prewitt Operator

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9 Marks
View 92 Topic-wise Questions for this Course

Contributors of this Question:

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Prepared By (Teacher): Dr. Md. Manjur Ahmed N/A
Uploaded By: Obaydul Hasan Nayeem Sept. 27, 2024, 11:37 a.m.
Converted By (Img/PDF to Text): Obaydul Hasan Nayeem Oct. 22, 2025, 12:22 a.m.
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