Daviddoria at 14:51, 16 August 2011

2011-08-16T14:51:49Z

Daviddoria: Created page with 'OpenCV Error: Formats of input arguments do not match (All the matrices must have the same data type) in cvRodrigues2, file /home/ddoria/src/OpenCV-2.3.0/modules/calib3d/src/cali…'

2011-08-02T13:38:16Z

Created page with 'OpenCV Error: Formats of input arguments do not match (All the matrices must have the same data type) in cvRodrigues2, file /home/ddoria/src/OpenCV-2.3.0/modules/calib3d/src/cali…'

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OpenCV Error: Formats of input arguments do not match (All the matrices must have the same data type) in cvRodrigues2, file /home/ddoria/src/OpenCV-2.3.0/modules/calib3d/src/calibration.cpp, line 507
terminate called after throwing an instance of 'cv::Exception'
what(): /home/ddoria/src/OpenCV-2.3.0/modules/calib3d/src/calibration.cpp:507: error: (-205) All the matrices must have the same data type in function cvRodrigues2

==ProjectPoints.cxx==
<source lang="cpp">
#include "opencv2/core/core.hpp"
#include "opencv2/imgproc/imgproc.hpp"
#include "opencv2/calib3d/calib3d.hpp"
#include "opencv2/highgui/highgui.hpp"

#include <iostream>
#include <string>

std::vector<cv::Point2f> Generate2DPoints();
std::vector<cv::Point3f> Generate3DPoints();

int main( int argc, char* argv[])
{
// Read points
std::vector<cv::Point2f> imagePoints = Generate2DPoints();
std::vector<cv::Point3f> objectPoints = Generate3DPoints();

// Create the known projection matrix
cv::Mat P(3,4,cv::DataType<float>::type);
P.at<float>(0,0) = -2.8058e-01;
P.at<float>(1,0) = -6.8326e-02;
P.at<float>(2,0) = 5.1458e-07;

P.at<float>(0,1) = 2.0045e-02;
P.at<float>(1,1) = -3.1718e-01;
P.at<float>(2,1) = 4.5840e-06;

P.at<float>(0,2) = 1.8102e-01;
P.at<float>(1,2) = -7.2974e-02;
P.at<float>(2,2) = 2.6699e-06;

P.at<float>(0,3) = 6.6062e-01;
P.at<float>(1,3) = 5.8402e-01;
P.at<float>(2,3) = 1.5590e-03;

// Decompose the projection matrix into:
cv::Mat K(3,3,cv::DataType<float>::type); // intrinsic parameter matrix
cv::Mat rvec(3,3,cv::DataType<float>::type); // rotation matrix
cv::Mat T(4,1,cv::DataType<float>::type); // translation vector

cv::decomposeProjectionMatrix(P, K, rvec, T);

// Create zero distortion
cv::Mat distCoeffs(4,1,cv::DataType<float>::type);
distCoeffs.at<float>(0) = 0;
distCoeffs.at<float>(1) = 0;
distCoeffs.at<float>(2) = 0;
distCoeffs.at<float>(3) = 0;

std::vector<cv::Point2f> projectedPoints;
cv::projectPoints(objectPoints, rvec, T, K, distCoeffs, projectedPoints);

for(unsigned int i = 0; i < projectedPoints.size(); ++i)
{
std::cout << "Image point: " << imagePoints[i] << " Projected to " << projectedPoints[i] << std::endl;
}

return 0;
}

std::vector<cv::Point2f> Generate2DPoints()
{
std::vector<cv::Point2f> points;

float x,y;

x=282;y=274;
points.push_back(cv::Point2f(x,y));

x=397;y=227;
points.push_back(cv::Point2f(x,y));

x=577;y=271;
points.push_back(cv::Point2f(x,y));

x=462;y=318;
points.push_back(cv::Point2f(x,y));

x=270;y=479;
points.push_back(cv::Point2f(x,y));

x=450;y=523;
points.push_back(cv::Point2f(x,y));

x=566;y=475;
points.push_back(cv::Point2f(x,y));
/*
for(unsigned int i = 0; i < points.size(); ++i)
{
std::cout << points[i] << std::endl;
}
*/
return points;
}

std::vector<cv::Point3f> Generate3DPoints()
{
std::vector<cv::Point3f> points;

float x,y,z;

x=.5;y=.5;z=-.5;
points.push_back(cv::Point3f(x,y,z));

x=.5;y=.5;z=.5;
points.push_back(cv::Point3f(x,y,z));

x=-.5;y=.5;z=.5;
points.push_back(cv::Point3f(x,y,z));

x=-.5;y=.5;z=-.5;
points.push_back(cv::Point3f(x,y,z));

x=.5;y=-.5;z=-.5;
points.push_back(cv::Point3f(x,y,z));

x=-.5;y=-.5;z=-.5;
points.push_back(cv::Point3f(x,y,z));

x=-.5;y=-.5;z=.5;
points.push_back(cv::Point3f(x,y,z));

/*
for(unsigned int i = 0; i < points.size(); ++i)
{
std::cout << points[i] << std::endl;
}
*/
return points;
}

</source>

==CMakeLists.txt==
<source lang="cmake">
cmake_minimum_required(VERSION 2.6)

PROJECT(ProjectPoints)

FIND_PACKAGE(OpenCV REQUIRED )
INCLUDE_DIRECTORIES( ${OPENCV_INCLUDE_DIR} )

ADD_EXECUTABLE(ProjectPoints ProjectPoints.cxx)
TARGET_LINK_LIBRARIES(ProjectPoints opencv_core opencv_highgui
opencv_flann opencv_imgproc opencv_highgui opencv_ml opencv_video opencv_objdetect
opencv_features2d opencv_calib3d opencv_legacy opencv_contrib
)

</source>

@@ Line 1: / Line 1: @@
-OpenCV Error: Formats of input arguments do not match (All the matrices must have the same data type) in cvRodrigues2, file /home/ddoria/src/OpenCV-2.3.0/modules/calib3d/src/calibration.cpp, line 507
+This example has a projection matrix and corresponding 3D/2D points hard coded. The idea is to project the 3D points using the projection matrix, and demonstrate that the 3D points get projected to near their corresponding 2D point.
 terminate called after throwing an instance of 'cv::Exception'
    what():  /home/ddoria/src/OpenCV-2.3.0/modules/calib3d/src/calibration.cpp:507: error: (-205) All the matrices must have the same data type in function cvRodrigues2

OpenCV/WishList/ProjectPoints - Revision history

Daviddoria at 14:51, 16 August 2011

Daviddoria: Created page with 'OpenCV Error: Formats of input arguments do not match (All the matrices must have the same data type) in cvRodrigues2, file /home/ddoria/src/OpenCV-2.3.0/modules/calib3d/src/cali…'