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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: 16-17

Time: 180 minutes | Marks: 60.00

Course Teacher: Dr. Md. Manjur Ahmed

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There are Four (8) questions. Answer any Five (5) of them. Do not write anything in the question paper. The figures in the right margin indicate the full marks.

1.

a) What do you mean by Digital Image processing (DIP)?

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2 Marks
b) "DIP has diverse application areas in our modern life". Give your opinions regarding this fact.

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4 Marks
c) Draw the sequence of fundamental steps of Digital image processing. Also elaborately explain.

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6 Marks
2.

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

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4 Marks
b) Explain in short sampling and quantization method for digital image?

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4 Marks
c) Describe components of a general purpose image processing system.

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4 Marks
3.

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

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

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4 Marks
c) What is image acquisition? Briefly describe the process of image acquisition.

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3 Marks
4.

a) 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
b) Shortly mention the relation between intensity transformation and spatial filtering. 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
c) What is Histogram processing? Mention various application of Histogram Processing?

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3 Marks
5.

a) What are the necessity image smoothing and image sharpening in DIP?

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4 Marks
b) Shows first order derivative and Laplacian filtering for DIP.

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5 Marks
c) Write short note on Robert operator.

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3 Marks
6.

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

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3 Marks
7.

a) What is the objective of image enhancement?

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3 Marks
b) Explain model of image degradation/restoration process with a block diagram.

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5 Marks
c) Briefly explain image interpolation techniques.

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4 Marks
8.

a) Define segmentation.

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2 Marks
b) Explain the concept of thresholding in image segmentation and write its merits and demerits.

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6 Marks
c) Briefly describe the Canny edge detection technique for image segmentation.

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4 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, 11:33 a.m.
Converted By (Img/PDF to Text): Obaydul Hasan Nayeem Oct. 22, 2025, 12:39 a.m.
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