Question 1
(a)
Define the term: Radiance, Luminance, Brightness
3 Marks
(b)
Summarize working of median filter with suitable data.
4 Marks
(c)
Articulate the applications of various components of Electro Magnetic spectrum
7 Marks
Gujarat Technological UniversitySummer 2025 Examination
GTU 3161604 Image Processing Summer 2025 Paper Solution & PDF
B.E. · IT Engineering · Semester 6 · Subject Code: 3161604
Total Marks70 MarksExternal theory exam
Passing Marks23 Marks33% minimum cutoff
Exam Duration2.5 Hours10:30 AM – 1:00 PM
Paper Structure5 QuestionsWith internal OR choices
Question 2
(a)
Discuss difference between low pas and high pass spatial filtering
3 Marks
(b)
Illustrate bit plane slicing with its applications. Write down the bit planes for following 4-bit image: 11 2 5 7 8 3 4 10
4 Marks
(c)
Use following image to find the mean and variance. 2 1 3 3 1 0 3 3 0 0 7 9 9 5 0 0 What information we get given the mean and variance of the image?
7 Marks
OR OPTION
(c)
Sketch various properties of DFT
7 Marks
Question 3
(a)
Explain with applications: Log transformation, Power law transformation
3 Marks
(b)
Explain average filter and also list its limitations. How to overcome the limitations of average filter.
4 Marks
(c)
Articulate the difference between edge and boundary. Discuss various masks to extract boundary from image.
7 Marks
OR OPTION
(a)
Write a short not on Butterworth low pass filter.
3 Marks
(b)
Summarize with formula and example: Euclidean distance, Chess board distance
4 Marks
(c)
Explain Harmonic and Contra harmonic filters.
7 Marks
Question 4
(a)
Illustrate alpha trimmed mean filter with example
3 Marks
(b)
Infer how gradient is useful to detect the discontinuity in image
4 Marks
(c)
Use suitable example and explain following: Region spitting and region
merging
7 Marks
OR OPTION
(a)
Discuss Euclidean, city block and chess board distance with suitable examples.
3 Marks
(b)
Summarize working of Hough transform.
4 Marks
(c)
Solve following problem instance using Huffman coding and find average code length.
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7 Marks
Question 5
(a)
Discuss RLE compression algorithm.
3 Marks
(b)
Differentiate: Image enhancement vs. Image Restoration
4 Marks
(c)
Write a note on Geometric mean and contra harmonic mean filters.
7 Marks
OR OPTION
(a)
Discuss temporal redundancy in image.
3 Marks
(b)
Write a short note on multi resolution expansion.
4 Marks
(c)
Explain: CMY and RGB color models
7 Marks
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About this Examination Paper & Attribution
Official Gujarat Technological University (GTU) examination paper and step-by-step solutions for Image Processing (Summer 2025, B.E. · IT Engineering, Sem 6). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.
Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.