SHOGUN  v3.2.0
GaussianShiftKernel.h
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1 /*
2  * This program is free software; you can redistribute it and/or modify
3  * it under the terms of the GNU General Public License as published by
4  * the Free Software Foundation; either version 3 of the License, or
5  * (at your option) any later version.
6  *
7  * Written (W) 2008 Gunnar Raetsch
8  * Copyright (C) 2008-2009 Fraunhofer Institute FIRST and Max-Planck-Society
9  */
10 
11 #ifndef _GAUSSIANSHIFTKERNEL_H___
12 #define _GAUSSIANSHIFTKERNEL_H___
13 
14 #include <shogun/lib/common.h>
17 
18 namespace shogun
19 {
39 {
40  public:
43 
52  int32_t size, float64_t width, int32_t max_shift,
53  int32_t shift_step);
54 
66  float64_t width, int32_t max_shift, int32_t shift_step,
67  int32_t size=10);
68 
75  virtual bool init(CFeatures* l, CFeatures* r)
76  {
77  return CGaussianKernel::init(l,r);
78  }
79 
80  virtual ~CGaussianShiftKernel();
81 
87 
92  virtual const char* get_name() const { return "GaussianShiftKernel"; }
93 
94  protected:
103  virtual float64_t compute(int32_t idx_a, int32_t idx_b);
104 
105  private:
106  void init();
107 
108  protected:
110  int32_t max_shift;
112  int32_t shift_step;
113 };
114 }
115 #endif /* _GAUSSIANSHIFTKERNEL_H__ */
virtual bool init(CFeatures *l, CFeatures *r)
virtual float64_t compute(int32_t idx_a, int32_t idx_b)
EKernelType
Definition: Kernel.h:51
An experimental kernel inspired by the WeightedDegreePositionStringKernel and the Gaussian kernel...
double float64_t
Definition: common.h:48
virtual EKernelType get_kernel_type()
The well known Gaussian kernel (swiss army knife for SVMs) computed on CDotFeatures.
all of classes and functions are contained in the shogun namespace
Definition: class_list.h:16
The class Features is the base class of all feature objects.
Definition: Features.h:62
virtual const char * get_name() const

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