createMHI.m

function [ finalImage ] = createMHI( images , cropBounds )

    imageSize = size(images{1});
    finalImage = zeros(imageSize(1),imageSize(2));
    
    n = size(images);
    colour = 1/n(2);
    
    c = n(2);
    start = round(c/4);
    half = round(c/2);
    finish = round(start + (c/2));
    third = round(c/3);
    twothirds = third*2;
    
    % 
    %n(2) is the number of images
    % for i = n(2)/4 : n(2)/4 + n(2)/2
    % half of the images, excluding first quarter and last quarter
    % for i = 1 : n(2)/2
    % excluding the last half, so the image with the highest weight is the
    % middle frame (likely the full hand sign).
    % for i = third : twothirds
    for i = third : twothirds  
        image = images{i};
        imageSize = size(image);
        
        for y = 1 : imageSize(1)
        for x = 1 : imageSize(2)
            if(image(y,x) ~= 0)
                finalImage(y,x) = (image(y,x) * (colour*i));
            end
        end
        end
    end
    
    finalImage = imcrop( finalImage, cropBounds );

end