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src
shogun
features
LBPPyrDotFeatures.h
Go to the documentation of this file.
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* Written (W) 2010 Vojtech Franc, Soeren Sonnenburg
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* Copyright (C) 2010 Vojtech Franc, xfrancv@cmp.felk.cvut.cz
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* Copyright (C) 2010 Berlin Institute of Technology
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*/
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#ifndef _LBP_PYR_DOTFEATURES__H__
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#define _LBP_PYR_DOTFEATURES__H__
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#include <
shogun/lib/common.h
>
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#include <
shogun/features/DotFeatures.h
>
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#include <
shogun/features/DenseFeatures.h
>
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namespace
shogun
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{
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class
CLBPPyrDotFeatures
:
public
CDotFeatures
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{
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public
:
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CLBPPyrDotFeatures
();
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CLBPPyrDotFeatures
(
CDenseFeatures<uint32_t>
* images, uint16_t num_pyramids);
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virtual
~CLBPPyrDotFeatures
();
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CLBPPyrDotFeatures
(
const
CLBPPyrDotFeatures
& orig);
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virtual
int32_t
get_dim_feature_space
()
const
;
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virtual
int32_t
get_nnz_features_for_vector
(int32_t num);
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virtual
EFeatureType
get_feature_type
()
const
;
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virtual
EFeatureClass
get_feature_class
()
const
;
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virtual
int32_t
get_num_vectors
()
const
;
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virtual
float64_t
dot
(int32_t vec_idx1,
CDotFeatures
* df, int32_t vec_idx2);
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virtual
int32_t
get_size
()
const
;
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virtual
void
*
get_feature_iterator
(int32_t vector_index);
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virtual
bool
get_next_feature
(int32_t& index,
float64_t
& value,
void
* iterator);
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virtual
void
free_feature_iterator
(
void
* iterator);
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CFeatures
*
duplicate
()
const
;
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virtual
const
char
*
get_name
()
const
{
return
"LBPPyrDotFeatures"
; }
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virtual
float64_t
dense_dot
(int32_t vec_idx1,
const
float64_t
* vec2, int32_t vec2_len);
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virtual
void
add_to_dense_vec
(
float64_t
alpha, int32_t vec_idx1,
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float64_t
* vec2, int32_t vec2_len,
bool
abs_val=
false
);
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protected
:
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uint32_t
liblbp_pyr_get_dim
(uint16_t nPyramids);
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protected
:
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CDenseFeatures<uint32_t>
*
m_feat
;
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uint32_t*
img
;
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int32_t
img_nRows
;
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int32_t
img_nCols
;
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int32_t
vec_nDim
;
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};
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}
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#endif
/* _LBP_PYR_DOTFEATURES__H__ */
SHOGUN
Machine Learning Toolbox - Documentation