Question Paper: Image And Video Processing Question Paper - May 18 - Electronics And Telecomm (Semester 7) - Mumbai University (MU)

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## Image And Video Processing - May 18

### Electronics And Telecomm (Semester 7)

Total marks: 80

Total time: 3 Hours
INSTRUCTIONS

(1) Question No. 1 is compulsory

(2) Attempt any three from remaining five questions

(3) Draw neat diagrams wherever necessary

**1(a)**Define with diagram, perspective projection.

**1(b)**What are the advantages and disadvantages of edge based segmentation?

**1(c)**What is the basic idea of Histogram modeling?

**1(d)**Write video frame classification & various digital video formats.

**2(a)**State properties of Fourier Transform and prove convolution property of Fourier transform.

**2(b)**Given orthogonal kernel matrix A and image U:

$$ Aa = \frac{1}{\sqrt2} \begin{bmatrix}1 & 1\\1 & -1\end{bmatrix}$$

$$ U = \begin{bmatrix}1 & 2\\3 & 4\end{bmatrix}$$

Find transformed image and basis image.

**3(a)**Compare histogram equalisation, histogram specification and contrast stretching with example.

**3(b)**For 3 bit, 4 X 4 image, perform image negative, Bit plane slicing, And low pass filtering

$$ \begin{bmatrix}0 & 7 & 3 & 1\\3 & 6 & 4 & 6 \\ 2 & 4 & 2 & 2 \\ 1 & 2 & 5 & 3\end{bmatrix}$$

**4(a)**Explain split and merge segmentation technique.

**4(b)**Elaborate Hit or Miss transform with example. Differentiate between image enhancement and restoration.

**5(a)**Explain application of Wiener filter.

**5(b)**Which are different motion estimation techniques? Explain any one technique in detail.

**Q6)**Write short notes on (any four)

- a) Opening and Closing

838

- b) Homomorphic Filtering

1374

- c) Inverse Filter
- d) Image noise models
- e) Hierarchical block matching algorithm