%dip_upperskeleton2d   2D upper skeleton.
%    [skeleton, grey] = dip_upperskeleton2d(in)
%
%   skeleton
%      Binary output image.
%   grey
%      Grey-values of ridges and lowest point in regions.
%
%   in
%      Image.

% (C) Copyright 1999-2000               Pattern Recognition Group
%     All rights reserved               Faculty of Applied Physics
%                                       Delft University of Technology
%                                       Lorentzweg 1
%                                       2628 CJ Delft
%                                       The Netherlands
%
% Cris Luengo,March 2001.

