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

Claim 3:
4. The aircraft-based HWD system of claim 1, wherein the display imagery includes the one or more rendered far-field features and their corresponding 3D positions, further comprising:
at least one witness camera in data communication with the optical-inertial headtracker, the at least one witness camera associated with a camera reference frame, the at least one witness camera aligned with the field of view of the display unit and configured to capture the display imagery;
and
wherein the aligning of the one or more rendered far-field features to their corresponding 3D positions includes:
detecting the one or more rendered far-field features and their corresponding 3D positions within the display imagery, each detected rendered far-field feature associated with an observed location relative to the camera reference frame;
determining a discrepancy between the observed locations of the one or more rendered far-field features and their corresponding 3D positions;
and
updating the display alignment based on the determined discrepancy.