00001 /* 00002 * This program is free software; you can redistribute it and/or modify 00003 * it under the terms of the GNU General Public License as published by 00004 * the Free Software Foundation; either version 3 of the License, or 00005 * (at your option) any later version. 00006 * 00007 * Written (W) 1999-2008 Gunnar Raetsch 00008 * Written (W) 1999-2008 Soeren Sonnenburg 00009 * Copyright (C) 1999-2008 Fraunhofer Institute FIRST and Max-Planck-Society 00010 */ 00011 00012 #ifndef _CPRUNE_VAR_SUB_MEAN__H__ 00013 #define _CPRUNE_VAR_SUB_MEAN__H__ 00014 00015 #include "preproc/SimplePreProc.h" 00016 #include "features/Features.h" 00017 #include "features/RealFeatures.h" 00018 #include "lib/common.h" 00019 00020 #include <stdio.h> 00021 00023 class CPruneVarSubMean : public CSimplePreProc<DREAL> 00024 { 00025 public: 00030 CPruneVarSubMean(bool divide=true); 00031 virtual ~CPruneVarSubMean(); 00032 00034 virtual bool init(CFeatures* f); 00035 00037 virtual bool load_init_data(FILE* src); 00039 virtual bool save_init_data(FILE* dst); 00040 00042 virtual void cleanup(); 00043 00047 virtual DREAL* apply_to_feature_matrix(CFeatures* f); 00048 00051 virtual DREAL* apply_to_feature_vector(DREAL* f, INT &len); 00052 00053 protected: 00055 INT* idx; 00057 DREAL* mean; 00059 DREAL* std; 00061 INT num_idx; 00063 bool divide_by_std; 00064 00066 bool initialized; 00067 }; 00068 #endif