hitmiss matlab,hitormiss.m · zigzag2015/machinevision-toolbox-matlab - Gitee.com

%HITORMISS Hit or miss transform

%

% H = HITORMISS(IM, SE) is the hit-or-miss transform of the binary image IM with

% the structuring element SE. Unlike standard morphological operations S has

% three possible values: 0, 1 and don't care (represented by NaN).

%

% References::

% - Robotics, Vision & Control, Section 12.5.3,

% P. Corke, Springer 2011.

%

% See also IMORPH, ITHIN, ITRIPLEPOINT, IENDPOINT.

% Copyright (C) 1993-2011, by Peter I. Corke

%

% This file is part of The Machine Vision Toolbox for Matlab (MVTB).

%

% MVTB is free software: you can redistribute it and/or modify

% it under the terms of the GNU Lesser General Public License as published by

% the Free Software Foundation, either version 3 of the License, or

% (at your option) any later version.

%

% MVTB is distributed in the hope that it will be useful,

% but WITHOUT ANY WARRANTY; without even the implied warranty of

% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

% GNU Lesser General Public License for more details.

%

% You should have received a copy of the GNU Leser General Public License

% along with MVTB. If not, see .

function hm = hitormiss(A, S1, S2)

if nargin == 2

S2 = double(S1 == 0);

S1 = double(S1 == 1);

end

hm = imorph(A, S1, 'min') & imorph((1-A), S2, 'min');

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