clc;
close all ;
clear all ;

%% reading the image
l=13;
jpgFilename = strcat('e_images_',num2str(l), '.jpg');
rgb=imread(jpgFilename);
%% gray scaling 
gray = rgb2gray(rgb);
figure(1);
imshow(gray);
title('gray scaled');

%% binary thresholding

[size1,size2]=size(gray);
for i=1:size1
   for j=1:size2
      if gray(i,j)<60
          gray(i,j)=255;
      end
   end
end

BW=im2bw(gray,graythresh(gray));

figure(2);
imshow(BW);

%% hsv general
hsv = rgb2hsv(rgb);
figure(3);
imshow(hsv);
title('hsv')