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) 2008 Gunnar Raetsch 00008 * Copyright (C) 2008-2009 Fraunhofer Institute FIRST and Max-Planck-Society 00009 */ 00010 00011 #ifndef _GAUSSIANSHIFTKERNEL_H___ 00012 #define _GAUSSIANSHIFTKERNEL_H___ 00013 00014 #include "lib/common.h" 00015 #include "kernel/GaussianKernel.h" 00016 00017 namespace shogun 00018 { 00036 class CGaussianShiftKernel: public CGaussianKernel 00037 { 00038 public: 00046 CGaussianShiftKernel( 00047 int32_t size, float64_t width, int32_t max_shift, 00048 int32_t shift_step); 00049 00059 CGaussianShiftKernel( 00060 CSimpleFeatures<float64_t>* l, CSimpleFeatures<float64_t>* r, 00061 float64_t width, int32_t max_shift, int32_t shift_step, 00062 int32_t size=10); 00063 00064 virtual ~CGaussianShiftKernel(); 00065 00070 virtual EKernelType get_kernel_type() { return K_GAUSSIANSHIFT; } 00071 00076 virtual const char* get_name() const { return "GaussianShift"; } 00077 00078 protected: 00087 virtual float64_t compute(int32_t idx_a, int32_t idx_b); 00088 00089 protected: 00091 int32_t max_shift; 00093 int32_t shift_step; 00094 }; 00095 } 00096 #endif /* _GAUSSIANSHIFTKERNEL_H__ */