ImageProcessing.m

function img = ImageProcessing(imagePath)
     % Read and store image 
    try
        image = imread(imagePath);
        
        % Normalize the RGB in the image
        image_corr = colorNormalizationRGB(image);
        allImages{1} = image_corr; % save normalized image to array
    
        rgbImage = allImages{1};
        YCrCb = ConvertRGB2YCrCb(rgbImage); 
    
        % First map detection calls for the image
        eyeMap = eyeDetection(YCrCb);
        mouthMap = mouthDetection(YCrCb);
        
        % Insert markers into the image
        [leftEyePos, rightEyePos, mouthPos] = drawLine(eyeMap, mouthMap);
    
        % DON'T COMMENT OUT - WILL CRASH! (image 12 has no left eye) % 
        % if isempty(leftEyePos) || isempty(rightEyePos) || isempty(mouthPos)
        %      % Handle the case where positions are empty or detection failed
        %      disp(['Processing failed for image ', num2str(i)]);
        %      continue; % Skip to the next iteration
        % end
    
        % Rotates image and crops into [400, 300] size
        modifiedImage = modifyImage(rgbImage, leftEyePos, rightEyePos);
    
        % Calc the locations of the eye and mouth coordinates again
        fixedImage = ConvertRGB2YCrCb(modifiedImage);
    
        % Secound eye and mouth detection for gathering the new 
        % coordinates after rotation
        eyeMap2 = eyeDetection2(fixedImage);
        mouthMap2 = mouthDetection2(fixedImage);
        
        % Get the positions for the eyes and mouth
        [updatedLeftEyePos, updatedRightEyePos, updatedMouthPos] = drawLine(eyeMap2, mouthMap2);
        markerPositions = [updatedLeftEyePos; updatedRightEyePos; updatedMouthPos];
    
        % Markings on the output image with the recivied positions
        endImage = insertMarker(modifiedImage, markerPositions, 'color', 'red', size = 20);
        
        %Store modified image in cell array
       img = endImage;

    catch ME
       img = 0;
    end

end