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 Gunnar Raetsch, Soeren Sonnenburg 00008 * Copyright (C) 1999-2008 Max-Planck-Society and Fraunhofer Institute FIRST 00009 */ 00010 00011 #ifndef _GAUSSIANSHIFTKERNEL_H___ 00012 #define _GAUSSIANSHIFTKERNEL_H___ 00013 00014 #include "lib/common.h" 00015 #include "kernel/GaussianKernel.h" 00016 00032 class CGaussianShiftKernel: public CGaussianKernel 00033 { 00034 public: 00042 CGaussianShiftKernel( 00043 int32_t size, float64_t width, int32_t max_shift, 00044 int32_t shift_step); 00045 00055 CGaussianShiftKernel( 00056 CRealFeatures* l, CRealFeatures* r, 00057 float64_t width, int32_t max_shift, int32_t shift_step, 00058 int32_t size=10); 00059 00060 virtual ~CGaussianShiftKernel(); 00061 00066 virtual EKernelType get_kernel_type() { return K_GAUSSIANSHIFT; } 00067 00072 virtual const char* get_name() { return "GaussianShift"; } 00073 00074 protected: 00083 virtual float64_t compute(int32_t idx_a, int32_t idx_b); 00084 00085 protected: 00087 int32_t max_shift; 00089 int32_t shift_step; 00090 }; 00091 00092 #endif /* _GAUSSIANSHIFTKERNEL_H__ */