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 * CWFBESTPROBABILISTIC 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 _CWFBESTPROBABILISTIC 00042 #define _CWFBESTPROBABILISTIC 00043 #include "libGIFTQuInvertedFile/include/uses-declarations.h" 00044 #include "libGIFTQuInvertedFile/include/CWeightingFunction.h" 00045 00047 class CWFBestProbabilistic:public CWeightingFunction{ 00048 protected: 00049 public: 00050 /*************************************** 00051 * 00052 * 00053 * 00054 ***************************************/ 00056 CWFBestProbabilistic(const CAcInvertedFile* inAccessor=0, 00057 CQueryNormalizer* inQueryNormalizer=0, 00058 CQueryNormalizer* inThisNormalizer=0); 00059 00060 /*************************************** 00061 * 00062 * 00063 * 00064 ***************************************/ 00066 virtual double subApply(const double inDocumentFrequency, 00067 const double inNormalizingFactor)const; 00068 00069 /*************************************** 00070 * 00071 * 00072 * 00073 ***************************************/ 00075 virtual double apply(const CDocumentFrequencyElement& inResultFeature)const; 00076 00077 /*************************************** 00078 * 00079 * 00080 * 00081 ***************************************/ 00083 CWeightingFunction* clone()const; 00084 00085 }; 00086 00087 #endif