System documentation of the GNU Image-Finding Tool

CWFClassicalIDF.h
00001 /* -*- mode: c++ -*- 
00002 */
00003 /* 
00004 
00005     GIFT, a flexible content based image retrieval system.
00006     Copyright (C) 1998, 1999, 2000, 2001, 2002, CUI University of Geneva
00007 
00008      Copyright (C) 2003, 2004 Bayreuth University
00009       2005 Bamberg University
00010     This program is free software; you can redistribute it and/or modify
00011     it under the terms of the GNU General Public License as published by
00012     the Free Software Foundation; either version 2 of the License, or
00013     (at your option) any later version.
00014 
00015     This program is distributed in the hope that it will be useful,
00016     but WITHOUT ANY WARRANTY; without even the implied warranty of
00017     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00018     GNU General Public License for more details.
00019 
00020     You should have received a copy of the GNU General Public License
00021     along with this program; if not, write to the Free Software
00022     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00023 
00024 */
00025 /***************************************
00026 *
00027 * 
00028 *
00029 ****************************************
00030 *
00031 * modification history:
00032 *
00033 * HM 090399 created the documentation
00034 *
00035 ****************************************
00036 *
00037 * compiler defines used:
00038 *
00039 *
00040 ****************************************/
00041 #ifndef _CWFCLASSICALIDF
00042 #define _CWFCLASSICALIDF
00043 #include "libGIFTQuInvertedFile/include/uses-declarations.h"
00044 #include "libGIFTQuInvertedFile/include/CWeightingFunction.h"
00045 
00047 class CWFClassicalIDF:public CWeightingFunction{
00048 protected:
00049 
00050 public: 
00051 /***************************************
00052 *
00053 * 
00054 *
00055 ***************************************/
00057 CWFClassicalIDF(const CAcInvertedFile* inAccessor=0,
00058                 CQueryNormalizer* inQueryNormalizer=0,
00059                 CQueryNormalizer* inThisNormalizer=0);
00060 
00061 /***************************************
00062 *
00063 * 
00064 *
00065 ***************************************/
00067   void preCalculate(); 
00068 
00069 /***************************************
00070 *
00071 * 
00072 *
00073 ***************************************/
00075   virtual double subApply(const double inDocumentFrequency,
00076                           const double inNormalizingFactor)const;
00077 
00078 /***************************************
00079 *
00080 * 
00081 *
00082 ***************************************/
00084   CWeightingFunction* clone()const;
00085 
00086 };
00087 
00088 #endif

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