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Gujarat Technological UniversitySummer 2025 Examination

GTU 3171613 Pattern Recognition Summer 2025 Paper Solution & PDF

B.E. · IT Engineering · Semester 7 · Subject Code: 3171613
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Total Marks70 MarksExternal theory exam
Passing Marks23 Marks33% minimum cutoff
Exam Duration2.5 Hours2:30 PM – 5:00 PM
Paper Structure5 QuestionsWith internal OR choices
Jump toQ1Q2Q3Q4Q5

Question 1

14 MarksMedium
(a)

Calculate probability of getting 3 on both dice if we throw two dice of six surface together.

3 Marks
(b)
Write and explain bays equation.
4 Marks
(c)

Draw various type of decision boundary for two features product classification in two classes.

7 Marks

Question 2

14 MarksMedium
(a)
What is eigen values and eigen vectors?
3 Marks
(b)

Explain bayes decision theory for two class and single feature problem/product.

4 Marks
(c)
Derive minimum risk classifier equation.
7 Marks
OR OPTION
(c)
Find eigen values and eigen vectors for matrix A= [[2,5],[4,7]]
7 Marks

Question 3

14 MarksMedium
(a)
What is features dimensionality reduction?
3 Marks
(b)
How Image face recognition is done using PCA.
4 Marks
(c)
Explain LDA method of feature reduction.
7 Marks
OR OPTION
(a)
What are the various application of markov model ?
3 Marks
(b)
Explain first order markov model with example.
4 Marks
(c)

Which are different distance measuring method for objects in two dimension feature space?

7 Marks

Question 4

14 MarksMedium
(a)
What is difference between classification and clustering?
3 Marks
(b)
Write steps of K-mean clustering algorithm.
4 Marks
(c)
Explain feed forward neural network.
7 Marks
OR OPTION
(a)
What is unsupervised learning?
3 Marks
(b)
Explain steps for divisive hierarchical algorithm.
4 Marks
(c)

Draw ANN structure for 5 input features, 2 hidden layer and 8 different category classification problem.

7 Marks

Question 5

14 MarksMedium
(a)
Explain support vector for classification of data in two class.
3 Marks
(b)
What is difference between RNN and LSTM.
4 Marks
(c)
Explain various type pooling functionality in CNN with example.
7 Marks
OR OPTION
(a)
What is application of Decision tree?
3 Marks
(b)
Explain K- nearest neighbor algorithm.
4 Marks
(c)
What is Gini index ? Explain its role in construction process of CART.
7 Marks
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About this Examination Paper & Attribution

Official Gujarat Technological University (GTU) examination paper and step-by-step solutions for Pattern Recognition (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.

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