PLearn 0.1
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00001 // -*- C++ -*- 00002 00003 // InfiniteMNISTVMatrix.h 00004 // 00005 // Copyright (C) 2008 Hugo Larochelle 00006 // 00007 // Redistribution and use in source and binary forms, with or without 00008 // modification, are permitted provided that the following conditions are met: 00009 // 00010 // 1. Redistributions of source code must retain the above copyright 00011 // notice, this list of conditions and the following disclaimer. 00012 // 00013 // 2. Redistributions in binary form must reproduce the above copyright 00014 // notice, this list of conditions and the following disclaimer in the 00015 // documentation and/or other materials provided with the distribution. 00016 // 00017 // 3. The name of the authors may not be used to endorse or promote 00018 // products derived from this software without specific prior written 00019 // permission. 00020 // 00021 // THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 00022 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00023 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 00024 // NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00025 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 00026 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00027 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00028 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00029 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00030 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00031 // 00032 // This file is part of the PLearn library. For more information on the PLearn 00033 // library, go to the PLearn Web site at www.plearn.org 00034 00035 // Authors: Hugo Larochelle 00036 00040 #ifndef InfiniteMNISTVMatrix_INC 00041 #define InfiniteMNISTVMatrix_INC 00042 00043 #define TEST_IMAGES_PATH "/home/fringant2/lisa/data/mnist/t10k-images-idx3-ubyte" 00044 #define TEST_LABELS_PATH "/home/fringant2/lisa/data/mnist/t10k-labels-idx1-ubyte" 00045 #define TRAIN_IMAGES_PATH "/home/fringant2/lisa/data/mnist/train-images-idx3-ubyte" 00046 #define TRAIN_LABELS_PATH "/home/fringant2/lisa/data/mnist/train-labels-idx1-ubyte" 00047 #define FIELDS_PATH "/home/fringant2/lisa/data/mnist/fields_float_1522x28x28.bin" 00048 #define TANGVEC_PATH "/home/fringant2/lisa/data/mnist/tangVec_float_60000x28x28.bin" 00049 00050 #include <plearn/vmat/RowBufferedVMatrix.h> 00051 #include <plearn/math/PRandom.h> 00052 #include <kernel-invariant.h> 00053 //#include "kernel-invariant2.h" 00054 00055 namespace PLearn { 00056 00064 class InfiniteMNISTVMatrix : public RowBufferedVMatrix 00065 { 00066 typedef RowBufferedVMatrix inherited; 00067 00068 public: 00069 //##### Public Build Options ############################################ 00070 00074 bool include_test_examples; 00075 00078 bool include_validation_examples; 00079 00083 bool random_switch_to_original_training_set; 00084 00086 real proportion_of_switches; 00087 00089 int seed; 00090 00092 real input_divisor; 00093 00095 PP< PRandom > random_gen; 00096 00097 // Files required for loading infinite MNIST dataset 00099 string test_images; 00101 string test_labels; 00103 string train_images; 00105 string train_labels; 00107 string fields; 00109 string tangent_vectors; 00110 00111 public: 00112 //##### Public Member Functions ######################################### 00113 00115 // ### Make sure the implementation in the .cc 00116 // ### initializes all fields to reasonable default values. 00117 InfiniteMNISTVMatrix(); 00118 00119 ~InfiniteMNISTVMatrix(); 00120 00121 //##### PLearn::Object Protocol ######################################### 00122 00123 // Declares other standard object methods. 00124 // ### If your class is not instantiatable (it has pure virtual methods) 00125 // ### you should replace this by PLEARN_DECLARE_ABSTRACT_OBJECT_METHODS 00126 PLEARN_DECLARE_OBJECT(InfiniteMNISTVMatrix); 00127 00128 // Simply calls inherited::build() then build_() 00129 virtual void build(); 00130 00132 // (PLEASE IMPLEMENT IN .cc) 00133 virtual void makeDeepCopyFromShallowCopy(CopiesMap& copies); 00134 00135 protected: 00136 //##### Protected Options ############################################### 00137 00138 static mnistproblem_t *dataset; 00139 static int n_pointers_to_dataset; 00140 mutable unsigned char* image; 00141 00142 protected: 00143 //##### Protected Member Functions ###################################### 00144 00146 // (PLEASE IMPLEMENT IN .cc) 00147 static void declareOptions(OptionList& ol); 00148 00151 // (PLEASE IMPLEMENT IN .cc) 00152 virtual void getNewRow(int i, const Vec& v) const; 00153 00154 private: 00155 //##### Private Member Functions ######################################## 00156 00158 // (PLEASE IMPLEMENT IN .cc) 00159 void build_(); 00160 00161 private: 00162 //##### Private Data Members ############################################ 00163 00164 // The rest of the private stuff goes here 00165 }; 00166 00167 // Declares a few other classes and functions related to this class 00168 DECLARE_OBJECT_PTR(InfiniteMNISTVMatrix); 00169 00170 } // end of namespace PLearn 00171 00172 #endif 00173 00174 00175 /* 00176 Local Variables: 00177 mode:c++ 00178 c-basic-offset:4 00179 c-file-style:"stroustrup" 00180 c-file-offsets:((innamespace . 0)(inline-open . 0)) 00181 indent-tabs-mode:nil 00182 fill-column:79 00183 End: 00184 */ 00185 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :