function compressed = RLE(img)

[rows, columns, pages] = size(img);
% Use 'help cell' para ver mais sobre cell arrays.
compressed = cell(rows, 1);

for i = 1 : rows
    new_row = [];
    count = 0;
    current_color = mat2vec(img(i, 1, :));

    for j = 1 : columns
        aux_color = mat2vec(img(i, j, :));

        if aux_color ~= current_color
            new_row = [new_row, count, current_color];
            count = 1;
            current_color = aux_color;
        else
            count = count + 1;
        end
    end

    new_row = [new_row, count, current_color];

    compressed{i} = new_row;
end

end