Matlab Program To demonstrate various point operation in a given image

% Title : To demonstrate various point operation in a given image % Developed by : Xeniums % Date : 5th June 2017 % _________________...

%Title : To demonstrate various point operation in a given image
	%Developed by : Xeniums
	%Date : 5th June 2017
	%_________________________________________________________________
	%Three critical statement
	%_________________________________________________________________
	close all;
	clear variable;
	clc;
	%_________________________________________________________________
	%Read an image from user
	%_________________________________________________________________
	%Change image path img = imread('Y:\700310.jpg'); %image read
	figure; %creates empty image
	hold on;
	subplot(2,2,1);
	imshow(img); %display image
	title('Original Image');
	%_________________________________________________________________
	%Negative image transformation of an image
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	z = 255-img; %Using negative transformation S=T(r)=255-r
	hold on;
	subplot(2,2,2);
	imshow(z);
	title('Negaative Image');
	%_________________________________________________________________
	%Grayscale image transformation of an image
	%_________________________________________________________________
	x = rgb2gray(img); %built in command for gray scale image
	hold on;
	subplot(2,2,3);
	imshow(x);
	title('Grayscale Image');
	%_________________________________________________________________
	%Black and White image transformation of an image
	%_________________________________________________________________
	y = im2bw(img); %built in command for black and white image
	hold on;
	subplot(2,2,4);
	imshow(y);
	title('Black and White Image');