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norm_log.hh
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1 //------------------------------------------------------------------------------
2 // This file is part of the OpenStructure project <www.openstructure.org>
3 //
4 // Copyright (C) 2008-2011 by the OpenStructure authors
5 // Copyright (C) 2003-2010 by the IPLT authors
6 //
7 // This library is free software; you can redistribute it and/or modify it under
8 // the terms of the GNU Lesser General Public License as published by the Free
9 // Software Foundation; either version 3.0 of the License, or (at your option)
10 // any later version.
11 // This library is distributed in the hope that it will be useful, but WITHOUT
12 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
13 // FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
14 // details.
15 //
16 // You should have received a copy of the GNU Lesser General Public License
17 // along with this library; if not, write to the Free Software Foundation, Inc.,
18 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 //------------------------------------------------------------------------------
20 
21 /*
22  Authors: Ansgar Philippsen, Andreas Schenk
23 */
24 
25 #ifndef IMG_NORM_LOG_H
26 #define IMG_NORM_LOG_H
27 
30 
31 namespace ost { namespace img { namespace alg {
32 
35 public:
36  // ctor
37  LogNormalizer();
38  LogNormalizer(Real scale, Real min, Real offset);
39  // copy ctor
40  LogNormalizer(const LogNormalizer& n);
41  virtual ~LogNormalizer() {}
42 
43  // normalizer interface
44  virtual Real BackConvert(Real v) const;
45  virtual Complex BackConvert(Complex v) const;
46  virtual Real Convert(Real v) const;
47  virtual Complex Convert(Complex v) const;
48  virtual NormalizerImpl* Clone() const {return new LogNormalizer((*this));}
49 
50 private:
51  Real scale_;
52  Real min_;
53  Real offset_;
54 };
55 
57 public:
58  // ctor
60  LogRangeNormalizer(Real inputmin, Real inputmax, Real outputmin, Real outputmax);
61  // copy ctor
63  virtual ~LogRangeNormalizer() {}
64 
65  // normalizer interface
66  virtual NormalizerImpl* Clone() const {return new LogRangeNormalizer((*this));}
67  virtual Real BackConvert(Real v) const;
68  virtual Complex BackConvert(Complex v) const;
69  virtual Real Convert(Real v) const;
70  virtual Complex Convert(Complex v) const;
71 };
72 
73 }}} // namespaces
74 
75 #endif
log normalization
Definition: norm_log.hh:34
float Real
Definition: base.hh:44
std::complex< Real > Complex
Definition: base.hh:51
#define DLLEXPORT_IMG_ALG
virtual NormalizerImpl * Clone() const
Definition: norm_log.hh:48
virtual NormalizerImpl * Clone() const
Definition: norm_log.hh:66