MATLAB PROGRAM FOR REGION GROWING

/*MATLAB PROGRAM for Region Growing*/

clc

clear all

b=imread('cameraman.tif')

subplot(1,2,1)

imshow(b);

title('Original Image')

a=b;

max=251;

min=7;

t=55;l=2;

[row,col]=size(a);

for k=2:255

for l=2:255

if(k<=row-1&&l<=col-1)

if(abs(a(k,l)-a(k+1,l))<=t)

f(k,l)=0;

end

if(abs(a(k,l)-a(k-1,l))<=t)

f(k,l)=0;

end

if(abs(a(k,l)-a(k,l+1))<=t)

f(k,l)=0;

end

if(abs(a(k,l)-a(k,l-1))<=t)

f(k,l)=0;

end

if(abs(a(k,l)-a(k+1,l))>t)

f(k,l)=200;

end

if(abs(a(k,l)-a(k-1,l))>t)

f(k,l)=200;

end

if(abs(a(k,l)-a(k,l+1))>t)

f(k,l)=200;

end

if(abs(a(k,l)-a(k,l-1))>t)

f(k,l)=200;

end

end

end

end

subplot(1,2,2)    

imshow(f)

title('Segmentd Image using Threshold=55')

OUTPUT