#include?“Feature.h“

Feature::Feature（）
:?datas（0）
{
}

Feature::Feature（int?dim?int?category?int?Id）
:?datas（dim0）
{
	this->category?=?category;
	this->Id?=?Id;
}

Feature::Feature（const?Feature&?feature）
:?datas（feature.datas）
{
	this->category?=?feature.category;
	this->Id?=?feature.Id;
}

double?Feature::getValueAt（int?index）
{
	return?this->datas[index];
}

void?Feature::updateValue（int?pos?double?value）
{
	this->datas[pos]=?value;
}

void?Feature::addValue（double?value）
{
	this->datas.push_back（value）;
}

int?Feature::getCategory（）
{
	return?this->category;
}

int?Feature::getId（）
{
	return?this->Id;
}

int?Feature::getDim（）
{
	return?this->datas.size（）;
}

double?Feature::calculateDistance（const?Feature&?feature?int?DistanceType）
{
	if?（datas.size（）?!=?feature.datas.size（））
	{
		return?10000;
	}
	double?distance?=?0;
	int?featureDim?=?datas.size（）;
	for?（int?i?=?0;?i?	{
		distance?+=?pow（fabs（datas[i]?-?feature.datas[i]）?DistanceType）;
	}
	distance?=?pow（distance?1.?/?DistanceType）;
	return?distance;
}

istream&?operator>>（istream&?is?Feature&?feature）
{
	int?featureDim?=?feature.datas.size（）;
	for?（int?i?=?0;?i?	{
		is?>>?feature.datas[i];
	}

	if?（featureDim?!=?0）
	{
		is?>>?feature.category;
	}

	return?is;
}

Feature&?Feature::operator=（const?Feature&?feature）
{
	this->datas?=?feature.datas;
	this->category?=?feature.category;

	return?*this;
}

Feature&?Feature::operator+=（const?Feature&?feature）
{
	int?featureDim?=?this->datas.size（）;
	if?（featureDim?!=?feature.datas.size（））//特征值不同，不進(jìn)行加法
	{
		return?*this;
	}

	for?（int?i?=?0;?i?	{
		this->datas[i]?+=?feature.datas[i];
	}
	this->category?=?-1;//結(jié)果的特征類(lèi)別不確定
	return?*this;
}

Feature&?Feature::operator-=（const?Feature&?feature）
{
	int?featureDim?=?this->datas.size（）;
	if?（featureDim?!=?feature.datas.size（））//若特征維數(shù)不同，不能進(jìn)行減法
	{
		return?*this;
	}

	for?（int?i?=?0;?i?	{
		this->datas[i]?-=?feature.datas[i];
	}
	this->category?=?-1;//結(jié)果的特征類(lèi)別不確定
	return?*this;
}

Feature&?Feature::operator*=?（const?Feature&?feature）
{
	int?featureDim?=?this->datas.size（）;
	if?（featureDim?!=?feature.datas.size（））//若特征維數(shù)不同，不能進(jìn)行乘法
	{
		return?*this;
	}

	for?（int?i?=?0;?i?	{
		this->datas[i]?*=?feature.datas[i];
	}
	this->category?=?-1;//結(jié)果的特征類(lèi)別不確定
	return?*this;
}

Feature&?Feature::operator/=?（double?scale）
{
	if?（scale?==?0）
	{
		return?*this;//倍數(shù)為0不進(jìn)行除法
	}
	int?featureDim?=?this->datas.size（）;
	for?（int?i?=?0;?i?	{
		this->datas[i]?/=?scale;
	}
	this->category?=?-1;//結(jié)果的特征類(lèi)別不確定
	return?*this;
}

Feature?Feature::operator+（const?Feature&?feature）
{
	return?Feature（*this）?+=?feature;
}

Feature?Feature::operator-（const?Feature&?feature）
{
	return?Feature（*this）?-=?feature;
}

Feature?Feature::operator*（const?Feature&?feature）

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----
?????目錄???????????0??2014-05-19?10:24??Bag-of-visual-words\
?????目錄???????????0??2014-05-19?10:24??Bag-of-visual-words\Bag-of-visual-words\
?????文件????????4440??2013-12-04?10:27??Bag-of-visual-words\Bag-of-visual-words\Bag-of-visual-words.vcxproj
?????文件????????1692??2013-12-04?10:27??Bag-of-visual-words\Bag-of-visual-words\Bag-of-visual-words.vcxproj.filters
?????文件????????3211??2013-12-04?13:31??Bag-of-visual-words\Bag-of-visual-words\Feature.cpp
?????文件????????1271??2013-12-04?13:31??Bag-of-visual-words\Bag-of-visual-words\Feature.h
?????文件????????1503??2013-12-04?12:50??Bag-of-visual-words\Bag-of-visual-words\FeatureSet.cpp
?????文件?????????967??2013-12-04?13:22??Bag-of-visual-words\Bag-of-visual-words\FeatureSet.h
?????文件????????2105??2013-12-04?13:30??Bag-of-visual-words\Bag-of-visual-words\KMeans.cpp
?????文件?????????384??2013-12-04?13:25??Bag-of-visual-words\Bag-of-visual-words\KMeans.h
?????文件????????1416??2013-12-04?13:30??Bag-of-visual-words\Bag-of-visual-words\KNN.cpp
?????文件?????????278??2013-12-04?13:24??Bag-of-visual-words\Bag-of-visual-words\KNN.h
?????文件????????4232??2013-12-04?13:34??Bag-of-visual-words\Bag-of-visual-words\main.cpp
?????目錄???????????0??2013-12-02?16:33??Bag-of-visual-words\Bag-of-visual-words\局部特征\
?????文件?????????162??2013-12-02?16:02??Bag-of-visual-words\Bag-of-visual-words\局部特征\~$說(shuō)明文檔.docx
?????目錄???????????0??2013-12-02?16:33??Bag-of-visual-words\Bag-of-visual-words\局部特征\恐龍（feature）\
?????文件???????86594??2013-11-12?08:57??Bag-of-visual-words\Bag-of-visual-words\局部特征\恐龍（feature）\0.txt
?????文件??????100038??2013-11-12?08:57??Bag-of-visual-words\Bag-of-visual-words\局部特征\恐龍（feature）\1.txt
?????文件???????97678??2013-11-12?08:57??Bag-of-visual-words\Bag-of-visual-words\局部特征\恐龍（feature）\10.txt
?????文件???????98340??2013-11-12?08:57??Bag-of-visual-words\Bag-of-visual-words\局部特征\恐龍（feature）\11.txt
?????文件???????83300??2013-11-12?08:57??Bag-of-visual-words\Bag-of-visual-words\局部特征\恐龍（feature）\12.txt
?????文件???????73132??2013-11-12?08:57??Bag-of-visual-words\Bag-of-visual-words\局部特征\恐龍（feature）\13.txt
?????文件???????67523??2013-11-12?08:57??Bag-of-visual-words\Bag-of-visual-words\局部特征\恐龍（feature）\14.txt
?????文件???????99991??2013-11-12?08:57??Bag-of-visual-words\Bag-of-visual-words\局部特征\恐龍（feature）\15.txt
?????文件???????65251??2013-11-12?08:57??Bag-of-visual-words\Bag-of-visual-words\局部特征\恐龍（feature）\16.txt
?????文件???????65990??2013-11-12?08:57??Bag-of-visual-words\Bag-of-visual-words\局部特征\恐龍（feature）\17.txt
?????文件???????68322??2013-11-12?08:57??Bag-of-visual-words\Bag-of-visual-words\局部特征\恐龍（feature）\18.txt
?????文件??????107469??2013-11-12?08:57??Bag-of-visual-words\Bag-of-visual-words\局部特征\恐龍（feature）\19.txt
?????文件??????117125??2013-11-12?08:57??Bag-of-visual-words\Bag-of-visual-words\局部特征\恐龍（feature）\2.txt
?????文件???????59707??2013-11-12?08:57??Bag-of-visual-words\Bag-of-visual-words\局部特征\恐龍（feature）\20.txt
?????文件???????70635??2013-11-12?08:57??Bag-of-visual-words\Bag-of-visual-words\局部特征\恐龍（feature）\21.txt
............此處省略379個(gè)文件信息