This document provides information about image processing homework help and an image processing tool. It describes an online tutoring service that provides assistance with image processing assignments and projects. It then shows code for an image processing tool that performs opening and closing operations on an image. The code opens an image, converts it to grayscale, creates a structuring element, performs morphological opening to detect light objects on a dark background, then performs morphological closing to detect dark objects on a light background. It displays the original and resultant images for comparison.

1. IMAGE PROCESSING (SAMPLE ASSIGNMENT)
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IMAGE PROCESSING TOOL
This sample assignment shows image processing tool which consist opening and
closing.
closing.m
clc;
clear all;
close all;
z=uigetfile('*.*','Select an image file');
a=imread(z);
% b=isrgb(a);
% if( b==1)
a=rgb2gray(a);
% end
s=[255 255 255 ; 255 255 255 ; 255 255 255];
r=size(a,1);
c=size(a,2);
for i=2:r-1
for j=2:c-1
if (a(i-1,j-1)==s(1) || a(i-1,j)==s(2) || a(i-1,j+1)==s(3) || a(i,j-1)==s(4) || a(i,j)==s(5) ||
a(i,j+1)==s(6) || a(i+1,j-1)==s(7) || a(i+1,j)==s(8) || a(i+1,j+1)==s(9))
new(i,j)=255;
else
new(i,j)=0;
end
end
end
r=size(new,1);
c=size(new,2);
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2. for i=2:r-1
for j=2:c-1
if (new(i-1,j-1)==s(1) && new(i-1,j)==s(2) && new(i-1,j+1)==s(3) && new(i,j-1)==s(4)
&& new(i,j)==s(5) && new(i,j+1)==s(6) && new(i+1,j-1)==s(7) && new(i+1,j)==s(8) &&
new(i+1,j+1)==s(9))
new1(i,j)=255;
else
new1(i,j)=0;
end
end
end
subplot(121)
imshow(a);
title('Original Image');
subplot(122)
imshow(new1);
title('Resultant Image');
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