GaussianShiftKernel.h

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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__ */

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