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DL for CV · Image processing & filtering

18 questions · 39 marks · 4 papers

Answer key

Indian Institute of Technology Madras

BS Degree Programme · Examination & Study Paper

Deep Learning for Computer Vision

Image processing & filtering

Official Paper

Examination Instructions & Guidelines

Solve on notebook/paper first before checking solutions.
MCQ: Exactly 1 option is correct. Negative marking applies.
MSQ: One or more options correct. Select all to score.
NAT: Numerical response. No negative marking.
Scientific calculator allowed for all calculations.
Official answer key is sealed at the end of this sheet.

Quiz 1 · 26 Oct 2025 (AN)Quiz 1

Q1MCQ2 Marks·Choose one option
Asked 3 times Key ↓
1. A130.00
2. B127.50
3. C125.00
4. D120.00
Q2MCQ2 Marks·Choose one option
Key ↓
Which of the following statements is false?
1. ABilateral filtering is a non-linear, edge-preserving local operation.
2. BMedian filtering is a linear filtering operation.
3. CHistogram matching uses CDFs to map intensities between images.
4. DUnsharp masking implements a high-boost (high-pass) effect.
Q3MCQ2 Marks·Choose one option
Key ↓
Which of the following statements is True?
1. A
2. B
3. C
4. D
Q4MCQ2 Marks·Choose one option
Key ↓
Which filter leaves the center pixel unchanged for any image under convolution?
1. A
2. B
3. C
4. D
Q5MCQ2 Marks·Choose one option
Key ↓
1. A0.066
2. B0.071
3. C0.083
4. D0.059
Q6MSQ3 Marks·Choose all correct options
Key ↓
About convolution and Fourier analysis, which are true?
1. A
2. B
3. C
4. D
Q7MSQ3 Marks·Choose all correct options
Asked 3 times Key ↓
Which of the following 3 x 3 kernels are separable?
1. A
2. B
3. C
4. D
Q8NAT3 Marks·Write the number
Asked 2 times Key ↓
Your answer:

End Term · 31 Aug 2025 (FN)End Term

Q9MCQ2 Marks·Choose one option
Asked 3 times Key ↓
1. A
2. B
3. C
4. D
Q10MSQ2 Marks·Choose all correct options
Asked 2 times Key ↓
Which of the following are examples of a high-pass filter?
1. A
2. B
3. C
4. D
Q11NAT2 Marks·Write the number
Asked 3 times Key ↓
Your answer:
Q12NAT2 Marks·Write the number
Asked 2 times Key ↓
Your answer:

End Term · 31 Aug 2025 (AN)End Term

Q13MCQ2 Marks·Choose one option
Key ↓
Which one of the following statements is false?
1. ALinear contrast stretching is a point operation.
2. BMoving average is an example of a local operation.
3. CConvolution in the spatial domain cannot be obtained through addition in the frequency domain.
4. DAll of these.
Q14MCQ2 Marks·Choose one option
Asked 3 times Key ↓
1. A
2. B
3. C
4. D
Q15MSQ2 Marks·Choose all correct options
Asked 2 times Key ↓
Which of the following are examples of a high-pass filter?
1. A
2. B
3. C
4. D
Q16NAT2 Marks·Write the number
Asked 3 times Key ↓
Your answer:
Q17NAT2 Marks·Write the number
Asked 2 times Key ↓
Your answer:

Quiz 2 · 3 Aug 2025 (AN)Quiz 2

Q18MCQ2 Marks·Choose one option
Asked 2 times Key ↓
1. A
2. B
3. C
4. D

Official Key

Master Answer Key & Explanations

Official answer keys from IIT Madras BS past papers. Click any question to review.

Reveal Key

Q1B

Q2B

Q3A

Q4B

Q5B

Q6A, B, C

Q7A, B, D

Q822

Q9A

Q10A, B, C, D

Q110

Q1230

Q13D

Q14A

Q15A, B, C

Q1693 to 94

Q172

Q18A

Questions and answer keys are reproduced from the official IIT Madras BS papers. Topics and repeated question types are BTechi’s own grouping. BTechi is not affiliated with IIT Madras.