distCoeffs
distCoeffs is a container for the distortion coefficients of a camera lens used in OpenCV’s camera calibration and undistortion workflows. These coefficients describe how an ideal pinhole projection is distorted by the lens and sensor, and they are used by functions such as undistort, undistortPoints, and initUndistortRectifyMap to map distorted image points back to their undistorted locations.
In OpenCV, distCoeffs is stored as a 1xN or Nx1 vector (or a 1D array in higher
Calibration routines produce distCoeffs as part of a camera model for a given lens. They depend on