rgb = imread(fullFileName);
Folder = 'C:\Users\Owen\Desktop\UNIVERSITY\Year 3\SEM2\KV6003 Induvidual Projects\MATLAB code';
if ~isfolder(Folder)
errorMessage = sprintf('Error: The following folder does not exist:\n%s', Folder);
uiwait(warndlg(errorMessage));
return;
end
filePattern = fullfile(Folder, '*.jpg');
jpegFiles = dir(filePattern);
for k = 1:length(jpegFiles)
baseFileName = jpegFiles(k).name;
fullFileName = fullfile(Folder, baseFileName);
fprintf(1, 'Now reading %s\n', fullFileName);
imageArray = imread(fullFileName);
imshow(imageArray);
redPoints = rgb(:,:,1)>=100 & rgb(:,:,2)<=149 & rgb(:,:,3)<=140;
percentRed = 100*(sum(sum(redPoints))/(size(rgb,1)*size(rgb,2)));
fprintf('Image has %d red pixels\n',sum(sum(redPoints)))
fprintf('Image is %.2f percent red\n',percentRed)
rgbRed = uint8(cat(3,redPoints,redPoints,redPoints)).*rgb;
figure(2)
imshow(rgbRed)
greenPoints = rgb(:,:,1)<=104 & rgb(:,:,2)>=0 & rgb(:,:,3)<=100;
percentGreen = 100*(sum(sum(greenPoints))/(size(rgb,1)*size(rgb,2)));
fprintf('Image has %d green pixels\n',sum(sum(greenPoints)))
fprintf('Image is %.2f percent green\n',percentGreen)
rgbGreen = uint8(cat(3,greenPoints,greenPoints,greenPoints)).*rgb;
figure(3)
imshow(rgbGreen)
bluePoints = rgb(:,:,1)<=111 & rgb(:,:,2)<=112 & rgb(:,:,3)>=0;
percentBlue = 100*(sum(sum(bluePoints))/(size(rgb,1)*size(rgb,2)));
fprintf('Image has %d blue pixels\n',sum(sum(bluePoints)))
fprintf('Image is %.2f percent blue\n',percentBlue)
rgbBlue = uint8(cat(3,bluePoints,bluePoints,bluePoints)).*rgb;
figure(4)
imshow(rgbBlue)
end
