/usr/include/mia-2.4/mia/3d/nfg.hh is in libmia-2.4-dev 2.4.6-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 | /* -*- 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/3d/image.hh>
/*
This code implements the functions needed to support the NFG cost function.
*/
NS_MIA_BEGIN
/**
@ingroup registration
@brief evaluate an approximation of the noise level of an image
@param image the input image
@return the noise level
*/
EXPORT_3D float get_noise_level(const C3DImage& image);
/**
@ingroup registration
@brief evaluate the noise-vs-gradient jump level for the normalized gradient field evaluation
@param image the input image
@return the jump level
*/
EXPORT_3D float get_jump_level(const C3DImage& image);
/**
@ingroup registration
@brief evaluate the noise-vs-gradient jump level for the normalized gradient field evaluation
@param image the input image
@param noise_level
@return the jump level
*/
EXPORT_3D float get_jump_level(const C3DImage& image, float noise_level);
/**
@ingroup registration
@brief evaluate normalized gradiend field of an image
Evaluate the normalized gradient field of an image using a pre-defined noise level
@param image the input image
@param noise_level
@return the normalized gradient field
*/
EXPORT_3D C3DFVectorfield get_nfg_n(const C3DImage& image, float noise_level);
/**
@ingroup registration
@brief evaluate normalized gradiend field of an image
Evaluate the normalized gradient field of an image using a pre-defined squared jump-level
@param image the input image
@param jump_level2
@return the normalized gradient field
*/
EXPORT_3D C3DFVectorfield get_nfg_j(const C3DImage& image, float jump_level2);
/**
@ingroup registration
@brief evaluate normalized gradiend field of an image
Evaluate the normalized gradient field of an image. Noise level and jump level
are estimated.
@param image the input image
@return the normalized gradient field
*/
EXPORT_3D C3DFVectorfield get_nfg(const C3DImage& image);
NS_MIA_END
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