2d/nfg.hh
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/* -*- mia-c++ -*-
*
* This file is part of MIA - a toolbox for medical image analysis
* Copyright (c) Leipzig, Madrid 1999-2017 Gert Wollny
*
* MIA is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with MIA; if not, see <http://www.gnu.org/licenses/>.
*
*/
#include <mia/2d/image.hh>
/*
This code implements the functions needed to support the normalized gradient field
cost function.
for details on this cost function see
Eldad Haber and Jan Modersitzki,
"Beyond Mutual Information: A Simple and Robust Alternative"
Bildverarbeitung f\"ur die Medizin 2005,
Eds: Hans-Peter Meinzer, Heinz Handels, Alexander Horsch and Thomas Tolxdorff, 350--354,
Springer Berlin Heidelberg, 2005
*/
NS_MIA_BEGIN
EXPORT_2D float get_noise_level(const C2DImage& image);
EXPORT_2D float get_jump_level(const C2DImage& image);
EXPORT_2D float get_jump_level(const C2DImage& image, float noise_level);
EXPORT_2D C2DFVectorfield get_nfg_n(const C2DImage& image, float noise_level);
EXPORT_2D C2DFVectorfield get_nfg_j(const C2DImage& image, float jump_level2);
EXPORT_2D C2DFVectorfield get_nfg(const C2DImage& image);
NS_MIA_END
image.hh
get_nfg_j
EXPORT_2D C2DFVectorfield get_nfg_j(const C2DImage &image, float jump_level2)
get_nfg_n
EXPORT_2D C2DFVectorfield get_nfg_n(const C2DImage &image, float noise_level)
get_noise_level
EXPORT_2D float get_noise_level(const C2DImage &image)
get_jump_level
EXPORT_2D float get_jump_level(const C2DImage &image)
get_nfg
EXPORT_2D C2DFVectorfield get_nfg(const C2DImage &image)
C2DFVectorfield
a 2D field of floating point single accuracy 2D vectors
Definition 2d/vectorfield.hh:80
C2DImage
This is the base class for 2D images that can hold generic pixel data.
Definition 2d/image.hh:48
EXPORT_2D
#define EXPORT_2D
Definition defines2d.hh:37
NS_MIA_BEGIN
#define NS_MIA_BEGIN
conveniance define to start the mia namespace
Definition defines.hh:33
NS_MIA_END
#define NS_MIA_END
conveniance define to end the mia namespace
Definition defines.hh:36