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Module: | Calibration |
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Finds the camera intrinsic parameters from the input arrays of image and real-world coordinates. Uses pinhole camera model (perspective camera).
Applications
Camera calibration, image to world coordinates transformations.
Name | Type | Range | Description | |
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inImagePoints | Point2DArrayArray | Array, for each view: array of 2D points of the calibration pattern, in the picture. | ||
inWorldPlanePoints | Point2DArrayArray | Array, for each view: array of 2D points of the calibration pattern, in a world coordinate plane. | ||
inImageWidth | Integer | 1 - | Image width, used for initial estimation of principal point. | |
inImageHeight | Integer | 1 - | Image height, used for initial estimation of principal point. | |
inDistortionType | LensDistortionModelType | Lens distortion model | ||
inImagePointsStandardDeviation | Real | 0.0 - | Assumed uncertainty of inImagePoints. Used for robust optimization and outCameraModelStdDev estimation. | |
inFocalLength | Real* | Specify a fixed focal length (do not estimate), in pixels. In order to calculate the inFocalLength from camera parameters one needs to divide the lens focal length [mm] by sensor pitch [mm/pix]. | ||
outCameraModel | PinholeCameraModel | |||
outCameraModelStdDev | PinholeCameraModel | Standard deviations of all model parameters, assuming that inImagePoints positions have a standard deviation equal to inImagePointsStandardDeviation. | ||
outRmsError | Real | Final reprojection RMS error, in pixels. | ||
outMaxReprojectionErrors | RealArray | For each view: the maximum reprojection error among all points. | ||
outReprojectionErrorSegments | Segment2DArrayArray | For each view: array of segments connecting input image points to reprojected world points. |
Errors
This filter can throw an exception to report error. Read how to deal with errors in Error Handling.
List of possible exceptions:
Error type | Description |
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DomainError | Empty input array |
DomainError | Input array sizes differ |
Complexity Level
This filter is available on Advanced Complexity Level.