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mia
core
seriesstats.hh
Go to the documentation of this file.
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/* -*- mia-c++ -*-
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*
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* This file is part of MIA - a toolbox for medical image analysis
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* Copyright (c) Leipzig, Madrid 1999-2013 Gert Wollny
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*
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* MIA is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU 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 MIA; if not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef mia_2d_seriesstats_hh
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#define mia_2d_seriesstats_hh
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#include <
mia/core/filter.hh
>
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NS_MIA_BEGIN
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struct
SIntensityStats
{
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double
sum
;
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double
sumsq
;
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double
mean
;
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double
variation
;
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double
min
;
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double
max
;
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size_t
n
;
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};
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class
EXPORT_CORE
FIntensityStatsAccumulator
:
public
TFilter
<void> {
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public
:
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FIntensityStatsAccumulator
();
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template
<
typename
Container>
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void
operator () (
const
Container& data);
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const
SIntensityStats
& get_result()
const
;
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private
:
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mutable
SIntensityStats
m_stats;
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mutable
bool
m_stats_valid;
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};
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template
<
typename
Container>
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void
FIntensityStatsAccumulator::operator ()
(
const
Container& data)
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{
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m_stats_valid =
false
;
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m_stats.
n
+= data.size();
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for
(
auto
i = data.begin(); i != data.end(); ++i) {
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m_stats.
sum
+= *i;
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m_stats.
sumsq
+= *i * *i;
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if
(m_stats.
min
> *i)
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m_stats.
min
= *i;
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if
(m_stats.
max
< *i)
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m_stats.
max
= *i;
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}
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}
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NS_MIA_END
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#endif
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