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 _LINEARBYTEKERNEL_H___ 00012 #define _LINEARBYTEKERNEL_H___ 00013 00014 #include "lib/common.h" 00015 #include "kernel/SimpleKernel.h" 00016 #include "features/ByteFeatures.h" 00017 00023 class CLinearByteKernel: public CSimpleKernel<uint8_t> 00024 { 00025 public: 00028 CLinearByteKernel(); 00029 00035 CLinearByteKernel(CByteFeatures* l, CByteFeatures *r); 00036 00037 virtual ~CLinearByteKernel(); 00038 00045 virtual bool init(CFeatures* l, CFeatures* r); 00046 00048 virtual void cleanup(); 00049 00055 virtual bool load_init(FILE* src); 00056 00062 virtual bool save_init(FILE* dest); 00063 00068 virtual EKernelType get_kernel_type() { return K_LINEAR; } 00069 00074 virtual const char* get_name() { return "Linear"; } 00075 00084 virtual bool init_optimization( 00085 int32_t num_suppvec, int32_t* sv_idx, float64_t* alphas); 00086 00091 virtual bool delete_optimization(); 00092 00098 virtual float64_t compute_optimized(int32_t idx); 00099 00101 virtual void clear_normal(); 00102 00108 virtual void add_to_normal(int32_t idx, float64_t weight); 00109 00110 protected: 00119 virtual float64_t compute(int32_t idx_a, int32_t idx_b); 00120 00121 protected: 00123 float64_t* normal; 00124 }; 00125 00126 #endif /* _LINEARBYTEKERNEL_H__ */