function paires = appariement(pics_t, pics_f)

    delta_t = 90;
    delta_f = 90;
    n_voisins = 5;
    n_pics = length(pics_t);

    paires = [];

    for i=1:n_pics

        f = pics_f(i);
        t = pics_t(i);

        voisins = find(pics_t > t & pics_t <= t + delta_t & pics_f >= f - delta_f & pics_f <= f + delta_f, n_voisins);

        for voisin=voisins'

           paires = [paires ; f pics_f(voisin) t pics_t(voisin)];

        end

    end

end