1 (a)
What do you mean by zero memory operations?

5 M

1 (b)
Differentiate between 8 connectivity and m connectivity.

5 M

1 (c)
What is truncated Huffman code?

5 M

1 (d)
Justify the statement: "Laplacian filter is a high pass filter".

5 M

2 (a)
Explain the following enhancement operations and draw the graph of transformation function:

i) Dynamic range compression

ii) Gray level slicing.

i) Dynamic range compression

ii) Gray level slicing.

10 M

2 (b)
Perform histogram equalization on the following image histogram and plot original and equalized histograms.

Gray Level | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |

Number of pixel | 550 | 300 | 0 | 0 | 0 | 200 | 325 | 225 |

10 M

3 (a)
Explain in detail the types of data redundancies seen in digital images.

10 M

3 (b)
Explain the method of edge linking using Hough Transform.

10 M

4 (a)
"Calculate the 2DDFT and Hadamard transform of the image segment shown below using matrix multiplication method. \[ f(x,y)= \begin{matrix} 0 &0 &1 &4 \\1 &1 &1 &4 \\1
&0 &1 &0 \\0 &2 &0 &2 \end{matrix} \]"

8 M

4 (b)
Explain the importance of kernel separatility property of 2DDFT in implementing 2DFFT.

6 M

4 (b)
Differentiate between spatial and tonal resolution.

6 M

5 (a)
Explain why it is difficult to threshold images with poor illumination.

10 M

5 (b)
With the help of neat block diagram, explain the working of homomorphic filter.

10 M

6 (a)
What are fourier Descriptors? Explain how a two dimensional boundary is represented using Fourier Description.

10 M

6 (b)
Explain how Huffman code removes coding redundancy.

10 M

Write short notes on any four of the following:

7 (a)
Moments

5 M

7 (b)
Wavelet transform

5 M

7 (c)
Digital water marking

5 M

7 (d)
Biometric authentication

5 M

7 (e)
Motion based segmentation.

5 M

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