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// Copyright (C) 2003--2004 Johnny Mariethoz (Johnny.Mariethoz@idiap.ch)
//
// This file is part of Torch 3.1.
//
// All rights reserved.
//
// 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 author may not be used to endorse or promote products
// derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
#ifndef EXAMPLE_FRAME_SELECTOR_DATA_SET_INC
#define EXAMPLE_FRAME_SELECTOR_DATA_SET_INC
#include "DataSet.h"
namespace Torch {
struct InternalAMoi{
int data_index;
int start_inputs_frame;
int start_targets_frame;
int n_selected_inputs_frames;
int n_selected_targets_frames;
};
/**
This dataset is empty at the begining. Each subsequence of the original dataset
can be added/remove by the methods:
\begin{itemize}
\item addExample
\item removeExample
\end{itemize}
@see FrameSelectorDataSet
@author Johnny Mariethoz (Johnny.Mariethoz@idiap.ch)
*/
class ExampleFrameSelectorDataSet : public DataSet
{
private:
int n_pushed_examples;
int n_max_pushed_examples;
InternalAMoi* internal;
int n_max_internal;
int selected_example_size;
public:
DataSet *data;
int *n_selected_input_frames;
int *n_selected_target_frames;
int **input_frames_indices;
int **target_frames_indices;
///
ExampleFrameSelectorDataSet(DataSet *data_);
void addExample(int t, int inputs_start_indices_, int n_inputs_frames_,
int targets_start_indices_, int n_targets_frames_);
void removeExample(int t);
virtual void getNumberOfFrames(int t_, int *n_input_frames_, int *n_target_frames_);
virtual void setRealExample(int t, bool set_inputs, bool set_targets);
virtual void pushExample();
virtual void popExample();
virtual void preProcess(PreProcessing *pre_processing);
//-----
virtual ~ExampleFrameSelectorDataSet();
};
}
#endif
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