/**
?*?File:?BowVector.cpp
?*?Date:?March?2011
?*?Author:?Dorian?Galvez-Lopez
?*?Description:?bag?of?words?vector
?*?License:?see?the?LICENSE.txt?file
?*
?*/

#include?
#include?
#include?
#include?
#include?

#include?“BowVector.h“

namespace?DBoW2?{

//?--------------------------------------------------------------------------

BowVector::BowVector（void）
{
}

//?--------------------------------------------------------------------------

BowVector::~BowVector（void）
{
}

//?--------------------------------------------------------------------------

void?BowVector::addWeight（WordId?id?WordValue?v）
{
??BowVector::iterator?vit?=?this->lower_bound（id）;
??
??if（vit?!=?this->end（）?&&?!（this->key_comp（）（id?vit->first）））
??{
????vit->second?+=?v;
??}
??else
??{
????this->insert（vit?BowVector::value_type（id?v））;
??}
}

//?--------------------------------------------------------------------------

void?BowVector::addIfNotExist（WordId?id?WordValue?v）
{
??BowVector::iterator?vit?=?this->lower_bound（id）;
??
??if（vit?==?this->end（）?||?（this->key_comp（）（id?vit->first）））
??{
????this->insert（vit?BowVector::value_type（id?v））;
??}
}

//?--------------------------------------------------------------------------

void?BowVector::normalize（LNorm?norm_type）
{
??double?norm?=?0.0;?
??BowVector::iterator?it;

??if（norm_type?==?DBoW2::L1）
??{
????for（it?=?begin（）;?it?!=?end（）;?++it）
??????norm?+=?fabs（it->second）;
??}
??else
??{
????for（it?=?begin（）;?it?!=?end（）;?++it）
??????norm?+=?it->second?*?it->second;
		norm?=?sqrt（norm）;??
??}

??if（norm?>?0.0）
??{
????for（it?=?begin（）;?it?!=?end（）;?++it）
??????it->second?/=?norm;
??}
}

//?--------------------------------------------------------------------------

std::ostream&?operator<{
??BowVector::const_iterator?vit;
??std::vector::const_iterator?iit;
??unsigned?int?i?=?0;?
??const?unsigned?int?N?=?v.size（）;
??for（vit?=?v.begin（）;?vit?!=?v.end（）;?++vit?++i）
??{
????out?<first?<second?<“;
????
????if（i???}
??return?out;
}

//?--------------------------------------------------------------------------

void?BowVector::saveM（const?std::string?&filename?size_t?W）?const
{
??std::fstream?f（filename.c_str（）?std::ios::out）;
??
??WordId?last?=?0;
??BowVector::const_iterator?bit;
??for（bit?=?this->begin（）;?bit?!=?this->end（）;?++bit）
??{
????for（;?last?first;?++last）
????{
??????f?<????}
????f?<second?<????
????last?=?bit->first?+?1;
??}
??for（;?last?????f?<??
??f.close（）;
}

//?--------------------------------------------------------------------------

}?//?namespace?DBoW2

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-12-26?04:19??VINS-Mobile-master\
?????文件?????????454??2017-12-26?04:19??VINS-Mobile-master\.gitignore
?????文件???????35140??2017-12-26?04:19??VINS-Mobile-master\LICENSE
?????文件????????4024??2017-12-26?04:19??VINS-Mobile-master\README.md
?????目錄???????????0??2017-12-26?04:19??VINS-Mobile-master\Resources\
?????文件????81074608??2017-12-26?04:19??VINS-Mobile-master\Resources\boost.a
?????文件????60030120??2017-12-26?04:19??VINS-Mobile-master\Resources\brief_k10L6.bin
?????文件????????6977??2017-12-26?04:19??VINS-Mobile-master\Resources\brief_pattern.yml
?????文件?????2123528??2017-12-26?04:19??VINS-Mobile-master\Resources\libjpeg.a
?????目錄???????????0??2017-12-26?04:19??VINS-Mobile-master\ThirdParty\
?????目錄???????????0??2017-12-26?04:19??VINS-Mobile-master\ThirdParty\DBoW\
?????文件????????2752??2017-12-26?04:19??VINS-Mobile-master\ThirdParty\DBoW\BowVector.cpp
?????文件????????1885??2017-12-26?04:19??VINS-Mobile-master\ThirdParty\DBoW\BowVector.h
?????文件????????2230??2017-12-26?04:19??VINS-Mobile-master\ThirdParty\DBoW\DBoW2.h
?????文件????????2382??2017-12-26?04:19??VINS-Mobile-master\ThirdParty\DBoW\FBrief.cpp
?????文件????????1597??2017-12-26?04:19??VINS-Mobile-master\ThirdParty\DBoW\FBrief.h
?????文件????????1642??2017-12-26?04:19??VINS-Mobile-master\ThirdParty\DBoW\FClass.h
?????文件????????1831??2017-12-26?04:19??VINS-Mobile-master\ThirdParty\DBoW\FeatureVector.cpp
?????文件????????1080??2017-12-26?04:19??VINS-Mobile-master\ThirdParty\DBoW\FeatureVector.h
?????文件????????1384??2017-12-26?04:19??VINS-Mobile-master\ThirdParty\DBoW\QueryResults.cpp
?????文件????????4142??2017-12-26?04:19??VINS-Mobile-master\ThirdParty\DBoW\QueryResults.h
?????文件????????7890??2017-12-26?04:19??VINS-Mobile-master\ThirdParty\DBoW\Scoringobject.cpp
?????文件????????2449??2017-12-26?04:19??VINS-Mobile-master\ThirdParty\DBoW\Scoringobject.h
?????文件???????37670??2017-12-26?04:19??VINS-Mobile-master\ThirdParty\DBoW\TemplatedDatabase.h
?????文件???????41407??2017-12-26?04:19??VINS-Mobile-master\ThirdParty\DBoW\TemplatedVocabulary.h
?????目錄???????????0??2017-12-26?04:19??VINS-Mobile-master\ThirdParty\DUtils\
?????文件????????1079??2017-12-26?04:19??VINS-Mobile-master\ThirdParty\DUtils\DException.h
?????文件????????1056??2017-12-26?04:19??VINS-Mobile-master\ThirdParty\DUtils\DUtils.h
?????文件????????2886??2017-12-26?04:19??VINS-Mobile-master\ThirdParty\DUtils\Random.cpp
?????文件????????3690??2017-12-26?04:19??VINS-Mobile-master\ThirdParty\DUtils\Random.h
?????文件????????5117??2017-12-26?04:19??VINS-Mobile-master\ThirdParty\DUtils\Timestamp.cpp
............此處省略1215個文件信息