function [ImageContraste] = seuil(Image,s)

%UNTITLED Summary of this function goes here
%   Detailed explanation goes here

    v = size (Image);
    ImageContraste = zeros(v);
    for i = 1 : v(1)
        for j = 2 : v(2)
            if Image(i,j) < s
                ImageContraste(i,j)=0;
            else
                ImageContraste(i,j)=255;
        end
    end
end