//?多種特征提取.cpp?:?定義控制臺應用程序的入口點。
//

//#include?“stdafx.h“
#include?
#include?
#include?“opencv2/opencv.hpp“
#include?“opencv2/core/core.hpp“??
#include?“opencv2/features2d/features2d.hpp“??
#include?“opencv2/highgui/highgui.hpp“??
#include??“opencv2/legacy/legacy.hpp“?//?暴力匹配的頭文件
#include??“opencv2/nonfree/nonfree.hpp“
#include???
#include??


//#include?“cv_import_static_lib.h“

using?namespace?std;
using?namespace?cv;

void?main（）{


	Mat?img1?=?imread（“左1.jpg“?CV_LOAD_IMAGE_GRAYSCALE）;
	Mat?img2?=?imread（“右1.jpg“?CV_LOAD_IMAGE_GRAYSCALE）;
	Mat?img_1?img_2;
	resize（img1?img_1?Size（img1.cols?/?4?img1.rows?/?4）?0?0?INTER_LINEAR）;
	resize（img2?img_2?Size（img2.cols?/?4?img2.rows?/?4）?0?0?INTER_LINEAR）;
	if?（!img_1.data?||?!img_2.data）
	{
		cout?<		return;
	}

	vector?keyPoints_1?keyPoints_2;
	Mat?descriptors_1?descriptors_2;

	/*-----------------SIFT?featrue?Point----------------
	SIFT?sift;
	sift（img_1?Mat（）?keyPoints_1?descriptors_1）;
	sift（img_2?Mat（）?keyPoints_2?descriptors_2）;
	*/

	/*-----------------SURF?featrue?Point----------------
	SURF?surf;
	surf（img_1?Mat（）?keyPoints_1?descriptors_1）;
	surf（img_2?Mat（）?keyPoints_2?descriptors_2）;
	//SurfDescriptorExtractor?extrator;???????????//?another?surf?sift?operation
	//extrator.compute（img_1?keyPoints_1?descriptors_1）;
	//extrator.compute（img_2?keyPoints_2?descriptors_2）;
	*/

	//-----------------ORB?featrue?Point----------------
	ORB?orb;???//?float?Feature?can?not?use?Flannbase?Match.
	orb（img_1?Mat（）?keyPoints_1?descriptors_1）;
	orb（img_2?Mat（）?keyPoints_2?descriptors_2）;


	/*-----------------ORB?featrue?Point----------------
	MSER?mesr;
	*/

	/*-----------------FAST?featrue?Point----------------
	FastFeatureDetector?fast1（100）;???//?檢測的閾值為40
	FastFeatureDetector?fast2（100）;

	fast1.detect（img_1?keyPoints_1）;
	fast2.detect（img_2?keyPoints_2）;
	//SurfDescriptorExtractor?extrator;???????????//?another?surf?sift?operation
	//extrator.compute（img_1?keyPoints_1?descriptors_1）;
	//extrator.compute（img_2?keyPoints_2?descriptors_2）;

	OrbDescriptorExtractor?extrator;
	extrator.compute（img_1?keyPoints_1?descriptors_1）;
	extrator.compute（img_2?keyPoints_2?descriptors_2）;
	*/


	BruteForceMatcher?matcher;//?orb?等float型的

	//FlannbasedMatcher?matcher;???//?只能?對uchar的點進行匹配

	vector?matches;

	matcher.match（descriptors_1?descriptors_2?matches）;

	double?max_dist?=?0;?double?min_dist?=?100;
	//--?Quick?calculation?of?max?and?min?distances?between?keypoints??
	for?（int?i?=?0;?i?riptors_1.rows;?i++）
	{
		double?dist?=?matches[i].distance;
		if?（dist?		if?（dist?>?max_dist）?max_dist?=?dist;
	}
	cout?<	cout?<
	//--?Draw?only?“good“?matches?（i.e.?whose?