SHOGUN  3.2.1
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LocalTangentSpaceAlignment.cpp
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1 /*
2  * This program is free software; you can redistribute it and/or modify
3  * it under the terms of the GNU General Public License as published by
4  * the Free Software Foundation; either version 3 of the License, or
5  * (at your option) any later version.
6  *
7  * Written (W) 2011-2013 Sergey Lisitsyn
8  * Copyright (C) 2011-2013 Berlin Institute of Technology and Max-Planck-Society
9  */
10 
12 #ifdef HAVE_EIGEN3
13 #include <shogun/io/SGIO.h>
15 #include <shogun/lib/tapkee/tapkee_shogun.hpp>
16 
17 using namespace shogun;
18 
21 {
22 }
23 
25 {
26 }
27 
29 {
30  return "LocalTangentSpaceAlignment";
31 };
32 
34 {
35  CKernel* kernel = new CLinearKernel((CDotFeatures*)features,(CDotFeatures*)features);
36  TAPKEE_PARAMETERS_FOR_SHOGUN parameters;
37  parameters.n_neighbors = m_k;
38  parameters.eigenshift = m_nullspace_shift;
39  parameters.method = SHOGUN_LOCAL_TANGENT_SPACE_ALIGNMENT;
40  parameters.target_dimension = m_target_dim;
41  parameters.kernel = kernel;
42  CDenseFeatures<float64_t>* embedding = tapkee_embed(parameters);
43  SG_UNREF(kernel);
44  return embedding;
45 }
46 
47 #endif /* HAVE_EIGEN3 */

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