PruneVarSubMean.h

Go to the documentation of this file.
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 
00026 class CPruneVarSubMean : public CSimplePreProc<float64_t>
00027 {
00028     public:
00033         CPruneVarSubMean(bool divide=true);
00034         virtual ~CPruneVarSubMean();
00035 
00037         virtual bool init(CFeatures* f);
00038 
00040         virtual bool load_init_data(FILE* src);
00042         virtual bool save_init_data(FILE* dst);
00043 
00045         virtual void cleanup();
00046 
00050         virtual float64_t* apply_to_feature_matrix(CFeatures* f);
00051 
00054         virtual float64_t* apply_to_feature_vector(float64_t* f, int32_t &len);
00055 
00056     protected:
00058         int32_t* idx;
00060         float64_t* mean;
00062         float64_t* std;
00064         int32_t num_idx;
00066         bool divide_by_std;
00067 
00069         bool initialized;
00070 };
00071 #endif

SHOGUN Machine Learning Toolbox - Documentation