DSIP

DSIP assignments :

assignment 1:  (last date :  28 sept 2011)

1) Show that the energy of a real valued energy signal is equal to the sum of the energies of its even & odd components


2) IZT of z/(z-1)^4

3) DFT of image
 5 6 7 8
 1 2 3 4
 4 3 2 1
 8 7 6 5

4)using DIT-FFT get DFT of {1,2,3,4} and then use DIT-FFT for IDFT of the calculated DFT.

5) Gray Level Histogram of an image is given below. Perform histogram equalization and draw

        original and new equalized histogram.

rk	0	1	2	3	4	5	6	7
nk	410	690	1340	2510	3010	1490	550	0

6) explain various point processing operations. Give one eg. each of  3x3 spatial masks for HP,LP,HB.


   assignment 2: (last date : 12 oct 2011)

1) write a note on freq domain filtering & its filters.what is Homomorphic filtering?

2) Explain the  application of roberts, prewitts & sobel operators..

3) Explain Region based segmentation

4)What are Moments. Explain types.

5) Give matrices for Haar/Walsh/Hadamard transforms of 8x8 sizes.

6) explain DCT & jpeg.. comment on eficiency of RLE in various scenarios..


list of pracs:  (underlined ones remaining)

To generate unit step response & impulse response

To write a matlab program for linear convolution

To write a C++ program for DFT

To write a matlab program for Image negative & gray level slicing

To write a matlab program for Bit plane slicing

To write a matlab program for histogram equalization

To perform image smoothing (LPF) using matlab

To perform image sharpening (HPF) using matlab

To write a matlab program for edge detection

To perform zooming operation using matlab