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3.2 Camera Metadata#

3.2.1 Camera calibration

ElementDescription
Date of calibration Date that the calibration was performed.
Camera calibration file name The exact file name for the camera calibration.
Camera specifics Specific make and model of the camera and lens used.
Array dimensions in pixels Width and height of digital array measured in pixels.
Array dimensions in mm Width and height of digital array measured in millimeters.
Focal length and principal point Exact focal length and principal point location and measured by the camera calibration.
Lens distortions (K1, K2, P1 and P2 parameters) Radial and decentering distortion parameters as measured by the camera calibration.
Affine distortions Affine distortion parameters as measured by the camera calibration (if measured).
Calibration Quality ValuesQuality values such as overall RMS, maximum residual, and photo coverage (%) from the calibration process.
Calibration adjustment report A report on the quality of the camera calibration including at a minimum the correlation between exterior and interior parameters

3.2.2 Calibration images

EntryDescription
Image file namesFile names for calibration images.
Calibration target descriptionInclude target dimensions, creator and description.

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