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Olena
User documentation 2.1
An Image Processing Platform
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singh_formula.hh
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// Copyright (C) 2012, 2013 EPITA Research and Development Laboratory
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// (LRDE)
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//
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// This file is part of Olena.
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//
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// Olena is free software: you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation, version 2 of the License.
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//
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// Olena is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Olena. If not, see <http://www.gnu.org/licenses/>.
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//
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// As a special exception, you may use this file as part of a free
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// software project without restriction. Specifically, if other files
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// instantiate templates or use macros or inline functions from this
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// file, or you compile this file and link it with other files to produce
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// an executable, this file does not by itself cause the resulting
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// executable to be covered by the GNU General Public License. This
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// exception does not however invalidate any other reasons why the
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// executable file might be covered by the GNU General Public License.
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#ifndef SCRIBO_BINARIZATION_INTERNAL_SINGH_FORMULA_HH
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# define SCRIBO_BINARIZATION_INTERNAL_SINGH_FORMULA_HH
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// Setup default Singh's formula parameters values.
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// These macros may be used in other variant of Singh's algorithms.
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# define SCRIBO_DEFAULT_SINGH_K 0.06
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#include <mln/core/alias/point2d.hh>
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// extern mln::image2d<bool> skewness_pbm;
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namespace
scribo
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{
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namespace
binarization
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{
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namespace
internal
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{
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using namespace
mln;
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template
<
typename
V>
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struct
singh_formula
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{
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double
operator()(
const
V& v,
const
double
m_x_y,
const
double
K)
const
;
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double
operator()(
const
V& v,
const
double
m_x_y)
const
;
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};
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# ifndef MLN_INCLUDE_ONLY
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// bool b;
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// double skewness_;
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template
<
typename
V>
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inline
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double
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singh_formula<V>::operator()
(
const
V& v,
const
double
m_x_y,
const
double
K)
const
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{
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double
mean_dev = v - m_x_y;
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return
m_x_y * (1.0 + K * (mean_dev / (1 - mean_dev) - 1));
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}
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template
<
typename
V>
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inline
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double
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singh_formula<V>::operator()(
const
V& v,
const
double
m_x_y)
const
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{
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return
(*
this
)(v, m_x_y, SCRIBO_DEFAULT_SINGH_K);
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}
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# endif // ! MLN_INCLUDE_ONLY
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}
// end of namespace scribo::binarization::internal
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}
// end of namespace scribo::binarization
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}
// end of namespace scribo
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#endif // ! SCRIBO_BINARIZATION_INTERNAL_SINGH_FORMULA_HH
scribo
scribo
binarization
internal
singh_formula.hh
Copyright (C) 2012 EPITA Research and Development Laboratory (LRDE)