US 12,225,291 B2
System, method, and computer program product for online sensor motion compensation
Casey Sennott, Pittsburgh, PA (US)
Assigned to Ford Global Technologies, LLC, Dearborn, MI (US)
Filed by FORD GLOBAL TECHNOLOGIES, LLC, Dearborn, MI (US)
Filed on Feb. 2, 2022, as Appl. No. 17/591,049.
Prior Publication US 2023/0247291 A1, Aug. 3, 2023
Int. Cl. H04N 23/68 (2023.01); G01L 5/1627 (2020.01); G03B 17/56 (2021.01); G06N 20/00 (2019.01); G06T 5/80 (2024.01); G06T 7/80 (2017.01); H04N 17/00 (2006.01); H04N 23/90 (2023.01)
CPC H04N 23/6812 (2023.01) [G01L 5/1627 (2020.01); G06N 20/00 (2019.01); G06T 5/80 (2024.01); G06T 7/80 (2017.01); G06T 7/85 (2017.01); H04N 17/002 (2013.01); H04N 23/683 (2023.01); H04N 23/90 (2023.01); G03B 17/561 (2013.01); G06T 2207/10012 (2013.01); G06T 2207/20081 (2013.01); G06T 2207/20084 (2013.01); G06T 2207/20201 (2013.01); G06T 2207/30244 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method for a vehicle, comprising:
applying, via a vibration exciter, a random mechanical excitation to a support structure of the vehicle over a period of time, wherein a plurality of image capture devices and a plurality of sets of strain gauges are coupled to the support structure, and wherein the plurality of image capture devices are calibrated to each other before applying the random mechanical excitation to the support structure;
measuring, with each set of strain gauges of the plurality of sets of strain gauges, simultaneous to the application of the random mechanical excitation to the support structure, a strain at a location of each set of strain gauges on the support structure over the period of time;
capturing, with each image capture device of the plurality of image capture devices, simultaneous to the application of the random mechanical excitation to the support structure, image data associated with a series of images of a calibration target; and
generating, with at least one processor, based on the strain measured at a location of each set of strain gauges on the support structure over the period of time by each set of strain gauges and the series of images of the calibration target captured by each image capture device, a mapping between the strain measured by each set of strain gauges and a displacement between the plurality of image capture devices.