Dec 13, 2016 · The rotations and translations you get from calibration transform world points to camera relative points. Bearing number 3 in mind, if you combine the two rotation matrices …

Hi all, I am attempting to run chessboard calibration. the image of the chessboard can be found here: http://postimg.org/image/w0k0ymgo3/ unfortunately the findCorners function does not …

Aug 11, 2014 · A question, can i compare thees values with the original focal lenght of my camera? My camera has a focal lenght =60mm , and after the calibration in open cv i have …

The main functions I use are: findChessboardCorners, cornerSubPix, findCirclesGrid, calibrateCamera and solvePnP (as very well described in the opencv documentation for …

Jul 26, 2013 · i am ultimately trying to use calibrationMatrixValues to extract the fovx and fovy from a previously (successfully) solved camera calibration using calibrateCamera. these are …

My earlier camera calibration attempts went very smooth and gave good results. Now I wanted to get serious with it and calibrate each of my cameras (I'm using 3 of the same type in my …

Apr 17, 2018 · Hi, I am quite new to camera calibration. I have 35 images, based on the following functions : findChessboardCorners () cornerSubPix () drawChessboardCorners () …

Sep 14, 2017 · I am trying to calibrate wide-angle/fisheye lenses in OpenCV using python and the cv2.fisheye functions (mainly cv2.fisheye.calibrate () and cv2.fisheye.undistortImage ()). When …

Reprojection error with opencv edit opencv calibration reprojectionerror edges asked Feb 10 '16

Oct 2, 2019 · I had started a post about how my Aruco markers Z distance was off by a factor of 2... But then I realized that must point to my focal length in my camera matrix being wrong and …