LBPPyrDotFeatures.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) 2010 Vojtech Franc, Soeren Sonnenburg
00008  * Copyright (C) 2010 Vojtech Franc, xfrancv@cmp.felk.cvut.cz
00009  * Copyright (C) 2010 Berlin Institute of Technology
00010  */
00011 #ifndef _LBP_PYR_DOTFEATURES__H__
00012 #define _LBP_PYR_DOTFEATURES__H__
00013 
00014 #include <shogun/lib/common.h>
00015 #include <shogun/features/DotFeatures.h>
00016 #include <shogun/features/DenseFeatures.h>
00017 
00018 namespace shogun
00019 {
00025 class CLBPPyrDotFeatures : public CDotFeatures
00026 {
00027     public:
00029         CLBPPyrDotFeatures();
00030 
00036         CLBPPyrDotFeatures(CDenseFeatures<uint32_t>* images, uint16_t num_pyramids);
00037 
00038         virtual ~CLBPPyrDotFeatures();
00039 
00046         CLBPPyrDotFeatures(const CLBPPyrDotFeatures & orig);
00047 
00052         virtual int32_t get_dim_feature_space() const;
00053 
00059         virtual int32_t get_nnz_features_for_vector(int32_t num);
00060 
00065         virtual EFeatureType get_feature_type() const;
00066 
00071         virtual EFeatureClass get_feature_class() const;
00072 
00077         virtual int32_t get_num_vectors() const;
00078 
00086         virtual float64_t dot(int32_t vec_idx1, CDotFeatures* df, int32_t vec_idx2);
00087 
00092         virtual int32_t get_size() const;
00093 
00103         virtual void* get_feature_iterator(int32_t vector_index);
00104 
00115         virtual bool get_next_feature(int32_t& index, float64_t& value, void* iterator);
00116 
00122         virtual void free_feature_iterator(void* iterator);
00123 
00128         CFeatures* duplicate() const;
00129 
00134         virtual const char* get_name() const { return "LBPPyrDotFeatures"; }
00135 
00143         virtual float64_t dense_dot(int32_t vec_idx1, const float64_t* vec2, int32_t vec2_len);
00144 
00153         virtual void add_to_dense_vec(float64_t alpha, int32_t vec_idx1,
00154                 float64_t* vec2, int32_t vec2_len, bool abs_val=false);
00155 
00156     protected:
00157 
00161         uint32_t liblbp_pyr_get_dim(uint16_t nPyramids);
00162 
00163     protected:
00165         CDenseFeatures<uint32_t>* m_feat;
00166 
00168         uint32_t* img;
00170         int32_t img_nRows;
00172         int32_t img_nCols;
00174         int32_t vec_nDim;
00175 };
00176 }
00177 #endif /* _LBP_PYR_DOTFEATURES__H__  */
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Defines

SHOGUN Machine Learning Toolbox - Documentation