Q.1
14 Marks(a)
Define the following terms:
1)Compression Ratio
2)Rate
3)Distortion Measure
(b)
Explain different compression techniques with example.
(c)
Explain Modeling and Coding with suitable example.
Gujarat Technological UniversitySummer 2025 examination
GTU 3171615 Data Compression Summer 2025 Question Paper & PDF
B.E. · IT Engineering · Semester 7 · Subject code 3171615
- Total
- 70 marks
- To pass
- 23 marks (33%)
- Duration
- 2.5 Hours 2:30 PM – 5:00 PM
- Questions
- 5 with internal choice
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Q.2
14 Marks(a)
List out Application of Data Compression.
(b)
Write the Difference between Lossy compression and Lossless compression.
(c)
Explain CALIC with example.
OR
(c)
Explain uniquely decodable code with example.
Q.3
14 Marks(a)
Compare Arithmetic and Huffman Coding.
(b)
What is Golomb Code? Explain with example.
(c)
Explain LZ77 algorithm in detail.
OR
(a)
Write procedure to decode Arithmetic Coding Tag.
(b)
Explain Burrows-Wheeler Transform with example.
(c)
What is LZW compression? Explain with example.
Q.4
14 Marks(a)
Discuss application of Huffman Coding.
(b)
Differentiate static and adaptive dictionary coding scheme.
(c)
Describe prediction with partial match with example.
OR
(a)
Discuss Diagram Coding with example.
(b)
Discuss advantages of Vector Quantization over Scalar Quantization.
(c)
Explain Context Based Compression.
Q.5
14 Marks(a)
Discuss Laplacian Distribution.
(b)
Differentiate Uniform Quantization and Non-Uniform Quantization.
(c)
What is Adaptive Quantization? Explain various approaches of Adaptive Quantization.
OR
(a)
Define SNR and Conditional Entropy.
(b)
Write short note on JPEG standard.
(c)
Explain Vector Quantization? Write down the procedure of Vector Quantization.
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About this paper
Official Gujarat Technological University (GTU) examination paper for Data Compression (Summer 2025, B.E. · IT Engineering, Sem 7). 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.