OpenCV Q&A Forum - RSS feedhttp://answers.opencv.org/questions/OpenCV answersenCopyright <a href="http://www.opencv.org">OpenCV foundation</a>, 2012-2018.Mon, 10 Sep 2018 00:22:59 -0500how to find feature point (2D) in homogeneous coordinate?http://answers.opencv.org/question/199046/how-to-find-feature-point-2d-in-homogeneous-coordinate/ i was estimate the fundamental matrix and i wanna prove that X and X' both are corresponding point for that i need X & X' both are in homogeneous for the X^t * F * X' = 0; how I'll estimate feature point in homogeneous coordinate. please help me..Sun, 09 Sep 2018 01:52:12 -0500http://answers.opencv.org/question/199046/how-to-find-feature-point-2d-in-homogeneous-coordinate/Comment by ADI for <p>i was estimate the fundamental matrix and i wanna prove that X and X' both are corresponding point for that i need X & X' both are in homogeneous for the X^t * F * X' = 0; how I'll estimate feature point in homogeneous coordinate. please help me..</p>
http://answers.opencv.org/question/199046/how-to-find-feature-point-2d-in-homogeneous-coordinate/?comment=199098#post-id-199098vector<Point2f> pointsL(x, y), pointsR;
vector<int> queryIdxs( matches.size() ), trainIdxs( matches.size());
for( size_t i = 0; i < matches.size(); i++ )
{
pointsL(x, y).push_back(keyL[matches[i].queryIdx].pt);
pointsR.push_back(keyR[matches[i].trainIdx].pt);
}
Mat F = findFundamentalMat(pointsL, pointsR, FM_RANSAC, 3, 0.99);
Matx31f homo_L(pointsL.x, pointsL.y, 1);
}
this the code for fundamental matrix and converting 2D point into homogeneous coordinateMon, 10 Sep 2018 00:22:59 -0500http://answers.opencv.org/question/199046/how-to-find-feature-point-2d-in-homogeneous-coordinate/?comment=199098#post-id-199098Comment by berak for <p>i was estimate the fundamental matrix and i wanna prove that X and X' both are corresponding point for that i need X & X' both are in homogeneous for the X^t * F * X' = 0; how I'll estimate feature point in homogeneous coordinate. please help me..</p>
http://answers.opencv.org/question/199046/how-to-find-feature-point-2d-in-homogeneous-coordinate/?comment=199047#post-id-199047sorry, but this is "too abstract". show some real life code & data.Sun, 09 Sep 2018 02:15:10 -0500http://answers.opencv.org/question/199046/how-to-find-feature-point-2d-in-homogeneous-coordinate/?comment=199047#post-id-199047