EXPERIMENT 2

clc;

clear all;

a=imread('C:\Documents and Settings\student1\Desktop\download.jpg');

t=255-a;

subplot(2,1,1);

imshow(a);

title('ORIGINAL IMAGE');

subplot(2,1,2);

imshow(t);

title('NEGATIVE IMAGE');

EXPERIMENT 3

clc;

clear all;

img=imread('C:\Documents and Settings\student1\Desktop\download.jpg');

subplot(2,2,1);

imshow(img);

title('ORIGINAL IMAGE');

subplot(2,2,2);

b=img(:,:,1);

imshow(b);

title('RED PLANE');

subplot(2,2,3);

c=img(:,:,2);

imshow(c);

title('GREEN PLANE');

subplot(2,2,4);

d=img(:,:,3);

imshow(d);

title('BLUE PLANE');

EXPERIMENT 4(RGB TO GRAY)

clc;

clear all;

img=imread('C:\Documents and Settings\student1\Desktop\download.jpg');

subplot(2,1,1);

imshow(img);

title('ORIGINAL IMAGE');

subplot(2,1,2);

b=rgb2gray(img);

imshow(b);

title('GRAY IMAGE');