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StereoCalibration RMS Problem

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Hi guys, I have a strange Problem. I want to calibrate a vertical stereo camera system. First I calibrate each camera individually double rms = calibrateCamera(xObjektPoints, xImageCam1, Size(3000,4000), intrinsic, distCoeffs[0], rvecs1, tvecs1, CV_CALIB_USE_INTRINSIC_GUESS + CV_CALIB_ZERO_TANGENT_DIST); double rms2 = calibrateCamera(xObjektPoints, xImageCam2, Size(3000, 4000), intrinsic2, distCoeffs[1], rvecs2, tvecs2, CV_CALIB_USE_INTRINSIC_GUESS + CV_CALIB_ZERO_TANGENT_DIST); The RMS are 0,21 and 0,23...thats okay...but now I use stereoCalibrate and the RMS is **24** double rms3 = stereoCalibrate(xObjektPoints, xImageCam1, xImageCam2, intrinsic, distCoeffs[0], intrinsic2, distCoeffs[1], Size(3000, 4000), R, T, E, F, TermCriteria(CV_TERMCRIT_ITER + CV_TERMCRIT_EPS, 100, 1e-5) ); Can someone help me? Thanks

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