KernelPCA.h

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// -*- C++ -*-

// KernelPCA.h
//
// Copyright (C) 2004 Olivier Delalleau 
// 
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
// 
//  1. Redistributions of source code must retain the above copyright
//     notice, this list of conditions and the following disclaimer.
// 
//  2. Redistributions in binary form must reproduce the above copyright
//     notice, this list of conditions and the following disclaimer in the
//     documentation and/or other materials provided with the distribution.
// 
//  3. The name of the authors may not be used to endorse or promote
//     products derived from this software without specific prior written
//     permission.
// 
// THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
// NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
// TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// 
// This file is part of the PLearn library. For more information on the PLearn
// library, go to the PLearn Web site at www.plearn.org

/* *******************************************************      
   * $Id: KernelPCA.h,v 1.4 2004/07/09 22:21:37 monperrm Exp $ 
   ******************************************************* */

// Authors: Olivier Delalleau

#ifndef KernelPCA_INC
#define KernelPCA_INC

#include "KernelProjection.h"

namespace PLearn {
using namespace std;

class KernelPCA: public KernelProjection
{

private:

  typedef KernelProjection inherited;
  
protected:

  // *********************
  // * protected options *
  // *********************

    
public:

  // ************************
  // * public build options *
  // ************************
  Ker kpca_kernel;
  bool kernel_is_distance;
  bool remove_bias;
  bool remove_bias_in_evaluate;

  // ****************
  // * Constructors *
  // ****************

  KernelPCA();


  // ****************************
  // * KernelProjection methods *
  // ****************************

private: 

  void build_();

protected: 
  
  static void declareOptions(OptionList& ol);

public:

  // ************************
  // **** Object methods ****
  // ************************

  virtual void build();

  virtual void makeDeepCopyFromShallowCopy(map<const void*, void*>& copies);

  // Declares other standard object methods.
  PLEARN_DECLARE_OBJECT(KernelPCA);


  // **********************************
  // **** KernelProjection methods ****
  // **********************************

  virtual void forget();

};

// Declares a few other classes and functions related to this class.
DECLARE_OBJECT_PTR(KernelPCA);
  
} // end of namespace PLearn

#endif

---