System documentation of the GNU Image-Finding Tool

CWFBestFullyWeighted.h
1 /* -*- mode: c++ -*-
2 */
3 /*
4 
5  GIFT, a flexible content based image retrieval system.
6  Copyright (C) 1998, 1999, 2000, 2001, 2002, CUI University of Geneva
7 
8  Copyright (C) 2003, 2004 Bayreuth University
9  2005 Bamberg University
10  This program is free software; you can redistribute it and/or modify
11  it under the terms of the GNU General Public License as published by
12  the Free Software Foundation; either version 2 of the License, or
13  (at your option) any later version.
14 
15  This program is distributed in the hope that it will be useful,
16  but WITHOUT ANY WARRANTY; without even the implied warranty of
17  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18  GNU General Public License for more details.
19 
20  You should have received a copy of the GNU General Public License
21  along with this program; if not, write to the Free Software
22  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 
24 */
25 /***************************************
26 *
27 * CWFBESTFULLYWEIGHTED
28 *
29 ****************************************
30 *
31 * modification history:
32 *
33 * HM 090399 created the documentation
34 *
35 ****************************************
36 *
37 * compiler defines used:
38 *
39 *
40 ****************************************/
41 #ifndef _CWFBESTFULLYWEIGHTED
42 #define _CWFBESTFULLYWEIGHTED
43 #include "libGIFTQuInvertedFile/include/uses-declarations.h"
44 #include "libGIFTQuInvertedFile/include/CWeightingFunction.h"
45 
48 protected:
49 public:
50 /***************************************
51 *
52 *
53 *
54 ***************************************/
56  CWFBestFullyWeighted(const CAcInvertedFile* inAccessor,
57  CQueryNormalizer* inQueryNormalizer,
58  CQueryNormalizer* inThisNormalizer);
59 
60 /***************************************
61 *
62 *
63 *
64 ***************************************/
66  virtual double subApply(const double inDocumentFrequency,
67  const double inNormalizingFactor)const;
68 
69 /***************************************
70 *
71 *
72 *
73 ***************************************/
75  virtual double apply(const CDocumentFrequencyElement& inResultFeature)const;
76 
77 /***************************************
78 *
79 *
80 *
81 ***************************************/
85  CWeightingFunction* clone()const;
86 
87 };
88 
89 #endif
For normalizing weights like in Salton/Buckley we need to now all the features in the query or all th...
Definition: CQueryNormalizer.h:55
a universally usable class for weighting.
Definition: CWeightingFunction.h:70
An accessor to an inverted file.
Definition: CAcInvertedFile.h:83
virtual double subApply(const double inDocumentFrequency, const double inNormalizingFactor) const
Apply this on a document frequency.
CDOCUMENTFREQUENCYELEMENT.
Definition: CDocumentFrequencyElement.h:49
CWeightingFunction * clone() const
For the "prototype pattern": Kinda virtual copy constructor: Gamma/Helm/Johnson/Vlissides p...
virtual double apply(const CDocumentFrequencyElement &inResultFeature) const
Preparing the right parameters for subApply: Apply this on another feature.
Weighting function for method 1.
Definition: CWFBestFullyWeighted.h:47

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