Patent ID: 11928992
Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A system for calibrating a display for a vehicle, the system comprising:
a reference calibration system including:
a reference windscreen;
a reference transparent windscreen display (TWD) projector, wherein the reference TWD projector includes a reference TWD camera;
a reference camera; and
a reference controller in electrical communication with the reference TWD projector and the reference camera, wherein the reference controller is programmed to:
project a reference graphic on the reference windscreen using the reference TWD projector, wherein the reference graphic includes a plurality of projected dots arranged in a two-dimensional array, and wherein an intended x-coordinate and an intended y-coordinate of each of the plurality of projected dots is defined by an intended reference graphic matrix;
capture a first reference image of the reference graphic using the reference camera; and
calculate at least one reference calibration matrix based at least in part on the first reference image of the reference graphic, wherein the at least one reference calibration matrix further includes a reference camera deviation matrix, wherein the reference camera deviation matrix encodes deviations in the reference graphic due to characteristics of the reference windscreen, and wherein the at least one reference calibration matrix further includes a reference TWD camera transformation matrix determined based at least in part on the reference camera deviation matrix.