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AKTU · MCA · 3rd semester

AKTU MCA Digital Image Processing (KCA025) Question Paper 2024-25

UniversityDr. A.P.J. Abdul Kalam Technical University (AKTU), Lucknow
CourseMCA, Semester III
SubjectDigital Image Processing (KCA025)
ExamTheory Examination 2024-25 (odd semester)
Time · Marks3 hours · 100 marks
SourceAKTU question paper, from the ABESIT question paper bank
View original PDF Other years

Note: Attempt all Sections. In case of any missing data; choose suitably.

Section A

Q1. Attempt all questions in brief · 2 × 10 = 20 marks

  1. Define Digital Image.
  2. What do you meant by Color model?
  3. Write the transfer function for Butterworth filter.
  4. Specify the objective of image enhancement technique.
  5. Compare Image Enhancement with image restoration?
  6. Classify Image restoration techniques.
  7. List out Applications of segmentation.
  8. What are the two properties that are followed in image segmentation?
  9. Show the block diagram of a general compression system model.
  10. Define is coding redundancy?

Section B

Q2. Attempt any three of the following · 10 × 3 = 30 marks

  1. Explain the fundamental steps in digital image processing.
  2. Write short notes on Contrast stretching and Grey level slicing.
  3. Explain the image degradation model and its properties.
  4. Explain Edge linking and boundary detection in detail.
  5. Describe on the Wavelet coding of images.

Section C

Q3

Attempt any one part of the following · 10 × 1 = 10 marks

  1. Explain the principle and working of Vidicon digital camera with neat diagram (Image sensing and Acquisition).
  2. Write short notes on ( i ) luminance, ( ii ) hue or tint, and ( iii ) saturation, (iv) Brightness (v) Contrast

Q4

Attempt any one part of the following · 10 × 1 = 10 marks

  1. Explain briefly about histogram modelling.
  2. Write short notes on histogram specification.

Q5

Attempt any one part of the following · 10 × 1 = 10 marks

  1. Write notes on inverse filtering as applied to image restoration.
  2. Explain unconstrained restoration and constrained restoration.

Q6

Attempt any one part of the following · 10 × 1 = 10 marks

  1. Write short notes on Region growing segmentation.
  2. Explain in detail about Segmentation by Morphological Watersheds.

Q7

Attempt any one part of the following · 10 × 1 = 10 marks

  1. Explain compression types.
  2. Explain the lossless Bit plane coding or shift coding.

Other years

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