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Estimate the scale for points in the Z=0 plane in a perpendicular view.

Name Type Description
inCameraMatrix Matrix Camera matrix obtained from calibration.
inCameraPosition Position3D Camera position for which the scale is estimated.
outUnitsPerPixel Real Scale factor, or physical dimensions of 1 pixel in the world plane.


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
DomainError Invalid camera matrix (Fx=0) in EstimateRealScale.
DomainError Invalid camera matrix (must be 3x3) in EstimateRealScale.
DomainError Invalid camera position (z=0) in EstimateRealScale.

Complexity Level

This filter is available on Advanced Complexity Level.