Patent ID: 11914763
Assignee: ROCKWELL COLLINS, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC B  G

Claim 4:
5. The aircraft-based HWD system of claim 1, further comprising:
at least one witness camera in data communication with the optical-inertial headtracker, the at least one witness camera associated with an extrinsic camera calibration relative to the display reference frame;
wherein the aligning of the one or more rendered far-field features to their corresponding 3D positions includes:
capturing display imagery via the witness camera;
detecting the 3D positions of the one or more far-field features within the display imagery;
determining at least one discrepancy between the at least one feature pointing vector and the corresponding 3D position of each far-field feature;
and
updating the display alignment based on the at least one determined discrepancy.