Dr. A.P.J. Abdul Kalam University BE VIII SEM (IT) Image Processing [IT-831] June 2021 Question Paper

Dr. A.P.J. Abdul Kalam University

Bachelor of Engineering

Eighth Semester Main Examination, June-2021

Image Processing [IT-831]

Branch-IT

Time: 3:00 Hrs Max Marks 70

Note: 1. Attempt any five questions out of eight.

2. All question carry equal marks.

3. Answer should be precise & to be point only.

4. Assume suitable data if necessary & state them clearly.

Q.1 (a) Define digital image. Differentiate photopic and scotopic vision.

(b) What is simultaneous contrast?

Q.2 (a) Define sampling and quantization. Define arithmetic coding.

(b) What are the three types of discontinuity in digital image?

Q.3 (a) Give the relation for Rayleigh noise.

(b) What is maximum filter and minimum filter?

Q.4 (a) What is global, local and dynamic or adaptive threshold?

(b) How effectiveness of quantization can be improved?

Q.5 (a) Specify the properties of 2D Fourier transform.

(b) What is data redundancy? Explain three basic data redundancy.

Q.6 (a) Discuss the various image representation approaches.

(b) Specify the objective of image enhancement technique. What is contrast stretching?

Q.7 (a) What is JPEG? What are the coding systems in JPEG?

(b) Explain the basic elements of digital image processing.

Q.8 (a) What is image restoration? Draw and explain the basic block diagram of the restoration

process. Give two areas where restoration process can be applied.

(b) What is image segmentation? Explain edge detection in details

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