camera calibration


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camera calibration

The determination of the calibrated focal length, the location of the principal point with respect to the fiducial marks and the lens distortion effective in the focal plane of the camera referred to the particular calibrated focal length.
Dictionary of Military and Associated Terms. US Department of Defense 2005.
References in periodicals archive ?
It comes installed on a touchscreen PC and can handle camera calibration, scene manipulation, media replacement, event triggering, animation control and robotic camera movement control."
The A12 Bionic Chip improves camera calibration for AR low-light and 60fps Gyro and accelerometer Accurate motion tracking.
"Camera calibration is done once by taking about 20 photos from different angles of a 'calibration image' on a computer monitor.
But the above two methods are mainly designed for the chessboard pattern used in camera calibration, which do not meet the requirement of calibration pattern used in scene calibration.
Scheimpflug camera calibration is a necessary preliminary step to ensure its further high-quality measurement.
Camera calibration is an important research topic in the field of pattern recognition because it is required for computer vision applications [1-3].
This process consists of the following stages: (i) camera calibration, (ii) initial pointcloud computation, and (iii) global adjustment.
Thus, they highly depend on the accuracy of camera calibration and may transfer the error to the projector calibration.
Section 3 introduces the key factors for the accuracy of videogrammetric measurement including the accuracy of camera calibration, the accuracy of camera synchronization, the accuracy of layout of the control network, the accuracy of the elliptical target detection, the accuracy of the high-speed camera synchronization, and the accuracy comparison of the 3D spatial coordinates of targets calculated from the two high-speed CMOS cameras and three high-speed CMOS cameras, respectively.
Camera calibration, which is an essential requirement of any 3D reconstruction process, is responsible to determine of the mapping relationship between image points and corresponding point in space.
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