GaussianKernel.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) 1999-2009 Soeren Sonnenburg
00008  * Copyright (C) 1999-2009 Fraunhofer Institute FIRST and Max-Planck-Society
00009  */
00010 
00011 #ifndef _GAUSSIANKERNEL_H___
00012 #define _GAUSSIANKERNEL_H___
00013 
00014 #include "lib/common.h"
00015 #include "kernel/SimpleKernel.h"
00016 #include "features/SimpleFeatures.h"
00017 
00029 class CGaussianKernel: public CSimpleKernel<float64_t>
00030 {
00031     public:
00037         CGaussianKernel(int32_t size, float64_t width);
00038 
00046         CGaussianKernel(CSimpleFeatures<float64_t>* l, CSimpleFeatures<float64_t>* r,
00047             float64_t width, int32_t size=10);
00048 
00049         virtual ~CGaussianKernel();
00050 
00057         virtual bool init(CFeatures* l, CFeatures* r);
00058 
00064         virtual bool load_init(FILE* src);
00065 
00071         virtual bool save_init(FILE* dest);
00072 
00077         virtual EKernelType get_kernel_type() { return K_GAUSSIAN; }
00078 
00083         inline virtual const char* get_name() const { return "GaussianKernel"; }
00084 
00085     protected:
00094         virtual float64_t compute(int32_t idx_a, int32_t idx_b);
00095 
00096     protected:
00098         float64_t width;
00099 };
00100 
00101 #endif /* _GAUSSIANKERNEL_H__ */

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