how can i apply Noise adaptive fuzzy switching median filter on binary image

i have a binary image(image have only two values 0 and 1) and i want to apply Noise adaptive fuzzy switching median filter on this image if i apply this filter directly the output is blank how can apply this filter the link for filter is: http://www.mathworks.in/matlabcentral/fileexchange/41163-noise-adaptive-fuzzy-switching-median-filter-for-salt-and-pepper-noise-reduction