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 Soeren Sonnenburg 00008 * Copyright (C) 1999-2008 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 00018 class CGaussianShiftKernel: public CGaussianKernel 00019 { 00020 public: 00028 CGaussianShiftKernel(INT size, double width, int max_shift, 00029 int shift_step); 00030 00040 CGaussianShiftKernel(CRealFeatures* l, CRealFeatures* r, 00041 double width, int max_shift, int shift_step, INT size=10); 00042 00043 virtual ~CGaussianShiftKernel(); 00044 00049 virtual EKernelType get_kernel_type() { return K_GAUSSIANSHIFT; } 00050 00055 virtual const CHAR* get_name() { return "GaussianShift"; } 00056 00057 protected: 00066 virtual DREAL compute(INT idx_a, INT idx_b); 00067 00068 protected: 00070 int max_shift; 00072 int shift_step; 00073 }; 00074 00075 #endif /* _GAUSSIANSHIFTKERNEL_H__ */