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相機(jī)位姿估計(jì)1:根據(jù)四個(gè)特征點(diǎn)估計(jì)相機(jī)姿態(tài) 隨文Demo 使用opencv基于特征點(diǎn)估計(jì)位姿

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代碼片段和文件信息

/*
例程基于VS2013開發(fā),使用的是OpenCV2.4.X,大家運(yùn)行前需要將opencv的路徑重新配置成自己電腦上的,不懂的話參考我的博客《OpenCV2+入門系列(一):OpenCV2.4.9的安裝與測(cè)試》。例程中提供兩張照片,其中DSC03323就是“實(shí)驗(yàn)”中所用圖片,例程在計(jì)算完成后,會(huì)在D盤根目錄下生成兩個(gè)txt,分別存儲(chǔ):相機(jī)在世界坐標(biāo)系的坐標(biāo)、相機(jī)的三個(gè)旋轉(zhuǎn)角。
@2016-11-18
@Shawan
@http://www.cnblogs.com/singlex/
*/


#include?“stdafx.h“
#include?
#include?
#include?
#include?
using?namespace?std;

//將空間點(diǎn)繞Z軸旋轉(zhuǎn)
//輸入?yún)?shù)?x?y為空間點(diǎn)原始x?y坐標(biāo)
//thetaz為空間點(diǎn)繞Z軸旋轉(zhuǎn)多少度,角度制范圍在-180到180
//outx?outy為旋轉(zhuǎn)后的結(jié)果坐標(biāo)
void?codeRotateByZ(double?x?double?y?double?thetaz?double&?outx?double&?outy)
{
double?x1?=?x;//將變量拷貝一次,保證&x?==?&outx這種情況下也能計(jì)算正確
double?y1?=?y;
double?rz?=?thetaz?*?CV_PI?/?180;
outx?=?cos(rz)?*?x1?-?sin(rz)?*?y1;
outy?=?sin(rz)?*?x1?+?cos(rz)?*?y1;
}

//將空間點(diǎn)繞Y軸旋轉(zhuǎn)
//輸入?yún)?shù)?x?z為空間點(diǎn)原始x?z坐標(biāo)
//thetay為空間點(diǎn)繞Y軸旋轉(zhuǎn)多少度,角度制范圍在-180到180
//outx?outz為旋轉(zhuǎn)后的結(jié)果坐標(biāo)
void?codeRotateByY(double?x?double?z?double?thetay?double&?outx?double&?outz)
{
double?x1?=?x;
double?z1?=?z;
double?ry?=?thetay?*?CV_PI?/?180;
outx?=?cos(ry)?*?x1?+?sin(ry)?*?z1;
outz?=?cos(ry)?*?z1?-?sin(ry)?*?x1;
}

//將空間點(diǎn)繞X軸旋轉(zhuǎn)
//輸入?yún)?shù)?y?z為空間點(diǎn)原始y?z坐標(biāo)
//thetax為空間點(diǎn)繞X軸旋轉(zhuǎn)多少度,角度制,范圍在-180到180
//outy?outz為旋轉(zhuǎn)后的結(jié)果坐標(biāo)
void?codeRotateByX(double?y?double?z?double?thetax?double&?outy?double&?outz)
{
double?y1?=?y;//將變量拷貝一次,保證&y?==?&y這種情況下也能計(jì)算正確
double?z1?=?z;
double?rx?=?thetax?*?CV_PI?/?180;
outy?=?cos(rx)?*?y1?-?sin(rx)?*?z1;
outz?=?cos(rx)?*?z1?+?sin(rx)?*?y1;
}


//點(diǎn)繞任意向量旋轉(zhuǎn),右手系
//輸入?yún)?shù)old_x,old_y,old_z為旋轉(zhuǎn)前空間點(diǎn)的坐標(biāo)
//vx,vy,vz為旋轉(zhuǎn)軸向量
//theta為旋轉(zhuǎn)角度角度制,范圍在-180到180
//返回值為旋轉(zhuǎn)后坐標(biāo)點(diǎn)
cv::Point3f?RotateByVector(double?old_x?double?old_y?double?old_z?double?vx?double?vy?double?vz?double?theta)
{
double?r?=?theta?*?CV_PI?/?180;
double?c?=?cos(r);
double?s?=?sin(r);
double?new_x?=?(vx*vx*(1?-?c)?+?c)?*?old_x?+?(vx*vy*(1?-?c)?-?vz*s)?*?old_y?+?(vx*vz*(1?-?c)?+?vy*s)?*?old_z;
double?new_y?=?(vy*vx*(1?-?c)?+?vz*s)?*?old_x?+?(vy*vy*(1?-?c)?+?c)?*?old_y?+?(vy*vz*(1?-?c)?-?vx*s)?*?old_z;
double?new_z?=?(vx*vz*(1?-?c)?-?vy*s)?*?old_x?+?(vy*vz*(1?-?c)?+?vx*s)?*?old_y?+?(vz*vz*(1?-?c)?+?c)?*?old_z;
return?cv::Point3f(new_x?new_y?new_z);
}
void?test();

int?main(int?argc?_TCHAR*?argv[])
{
vector?Points2D;
/****************a6000參數(shù)**********************/
//初始化相機(jī)參數(shù)Opencv
double?camD[9]?=?{?
6800.7?0?3065.8
0?6798.1?1667.6
0?0?1?};
cv::Mat?camera_matrix?=?cv::Mat(3?3?CV_64FC1?camD);

//畸變參數(shù)
double?distCoeffD[5]?=?{?-0.189314?0.444657?-0.00116176?0.00164877?-2.57547?};
cv::Mat?distortion_coefficients?=?cv::Mat(5?1?CV_64FC1?distCoeffD);


//DSC03321
Points2D.push_back(cv::Point2f(2985?1688)); //P1
Points2D.push_back(cv::Point2f(5081?1690)); //P2
Points2D.push_back(cv::Point2f(2997?2797)); //P3
Points2D.push_back(cv::Point2f(5544?2757)); //P4
//Points2D.push_back(cv::Point2f(4148?673)); //P5

////DSC03323
//Points2D.push_back(cv::Point2f(3062?3073)); //P1?單位是像素
//Points2D.push_back(cv::Point2f(38

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2016-11-19?14:46??相機(jī)位姿估計(jì)1:根據(jù)四個(gè)特征點(diǎn)估計(jì)相機(jī)姿態(tài)?隨文Demo\
?????文件?????1064603??2016-11-19?14:46??相機(jī)位姿估計(jì)1:根據(jù)四個(gè)特征點(diǎn)估計(jì)相機(jī)姿態(tài)?隨文Demo\DSC03321.jpg
?????文件?????1564775??2016-11-19?14:46??相機(jī)位姿估計(jì)1:根據(jù)四個(gè)特征點(diǎn)估計(jì)相機(jī)姿態(tài)?隨文Demo\DSC03323.jpg
?????目錄???????????0??2016-11-19?14:44??相機(jī)位姿估計(jì)1:根據(jù)四個(gè)特征點(diǎn)估計(jì)相機(jī)姿態(tài)?隨文Demo\SlovePNPByOpenCV\
?????文件?????????994??2016-10-31?15:36??相機(jī)位姿估計(jì)1:根據(jù)四個(gè)特征點(diǎn)估計(jì)相機(jī)姿態(tài)?隨文Demo\SlovePNPByOpenCV.sln
?????文件????????5062??2016-11-05?21:55??相機(jī)位姿估計(jì)1:根據(jù)四個(gè)特征點(diǎn)估計(jì)相機(jī)姿態(tài)?隨文Demo\SlovePNPByOpenCV\SlovePNPByOpenCV.vcxproj
?????文件????????1323??2016-11-03?16:06??相機(jī)位姿估計(jì)1:根據(jù)四個(gè)特征點(diǎn)估計(jì)相機(jī)姿態(tài)?隨文Demo\SlovePNPByOpenCV\SlovePNPByOpenCV.vcxproj.filters
?????文件?????????412??2016-11-05?21:55??相機(jī)位姿估計(jì)1:根據(jù)四個(gè)特征點(diǎn)估計(jì)相機(jī)姿態(tài)?隨文Demo\SlovePNPByOpenCV\SlovePNPByOpenCV.vcxproj.user
?????文件????????9111??2016-11-20?20:59??相機(jī)位姿估計(jì)1:根據(jù)四個(gè)特征點(diǎn)估計(jì)相機(jī)姿態(tài)?隨文Demo\SlovePNPByOpenCV\SolvePNPByOpenCV.cpp
?????文件?????????222??2016-10-31?15:36??相機(jī)位姿估計(jì)1:根據(jù)四個(gè)特征點(diǎn)估計(jì)相機(jī)姿態(tài)?隨文Demo\SlovePNPByOpenCV\stdafx.cpp
?????文件?????????234??2016-10-31?15:36??相機(jī)位姿估計(jì)1:根據(jù)四個(gè)特征點(diǎn)估計(jì)相機(jī)姿態(tài)?隨文Demo\SlovePNPByOpenCV\stdafx.h
?????文件?????????236??2016-10-31?15:36??相機(jī)位姿估計(jì)1:根據(jù)四個(gè)特征點(diǎn)估計(jì)相機(jī)姿態(tài)?隨文Demo\SlovePNPByOpenCV\targetver.h
?????文件?????????378??2016-11-19?14:39??相機(jī)位姿估計(jì)1:根據(jù)四個(gè)特征點(diǎn)估計(jì)相機(jī)姿態(tài)?隨文Demo\說明.txt

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