KernelLocalTangentSpaceAlignment.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) 2011 Sergey Lisitsyn
00008  * Copyright (C) 2011 Berlin Institute of Technology and Max-Planck-Society
00009  */
00010 
00011 #ifndef KERNELLOCALTANGENTSPACEALIGNMENT_H_
00012 #define KERNELLOCALTANGENTSPACEALIGNMENT_H_
00013 #include <shogun/lib/config.h>
00014 #ifdef HAVE_LAPACK
00015 #include <shogun/converter/KernelLocallyLinearEmbedding.h>
00016 #include <shogun/features/Features.h>
00017 #include <shogun/kernel/Kernel.h>
00018 
00019 namespace shogun
00020 {
00021 
00022 class CFeatures;
00023 class CKernel;
00024 
00037 class CKernelLocalTangentSpaceAlignment: public CKernelLocallyLinearEmbedding
00038 {
00039 public:
00040 
00042     CKernelLocalTangentSpaceAlignment();
00043 
00047     CKernelLocalTangentSpaceAlignment(CKernel* kernel);
00048 
00050     virtual ~CKernelLocalTangentSpaceAlignment();
00051 
00053     virtual const char* get_name() const;
00054 
00056 protected:
00057 
00060     virtual SGMatrix<float64_t> construct_weight_matrix(SGMatrix<float64_t> kernel_matrix, 
00061                                                         SGMatrix<int32_t> neighborhood_matrix);
00062 
00064 protected:
00065 
00069     static void* run_kltsa_thread(void* p);
00070 
00071 };
00072 }
00073 
00074 #endif /* HAVE_LAPACK */
00075 #endif /* KERNELLOCALTANGENTSPACEALINGMENT_H_ */
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