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match_set.h
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match_set.h
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/*ckwg +29
* Copyright 2013-2014 by Kitware, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* * 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.
*
* * Neither name of Kitware, Inc. nor the names of any contributors may be used
* to endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
*/
/**
* \file
* \brief core match_set interface
*/
#ifndef VITAL_MATCH_SET_H_
#define VITAL_MATCH_SET_H_
#include <vital/vital_config.h>
#include <vector>
#include <memory>
namespace kwiver {
namespace vital {
// ------------------------------------------------------------------
/// Index pair indicating matching features between two arrays
typedef std::pair< unsigned, unsigned > match;
/// A collection of matching indices between one set of objects and another.
class match_set
{
public:
/// Destructor
virtual ~match_set() = default;
/// Return the number of matches in the set
virtual size_t size() const = 0;
/// Return a vector of matching indices
virtual std::vector< match > matches() const = 0;
};
/// Shared pointer of base match_set type
typedef std::shared_ptr< match_set > match_set_sptr;
// ------------------------------------------------------------------
/// A concrete match set that simply wraps a vector of matches.
class simple_match_set :
public match_set
{
public:
/// Default Constructor
simple_match_set() { }
/// Constructor from a vector of matches
explicit simple_match_set( const std::vector< match >& matches )
: data_( matches ) { }
/// Return the number of matches in the set
virtual size_t size() const { return data_.size(); }
/// Return a vector of match shared pointers
virtual std::vector< match > matches() const { return data_; }
protected:
/// The vector of matches
std::vector< match > data_;
};
} } // end namespace vital
#endif // VITAL_MATCH_SET_H_