US 12,456,309 B2
Mitigation strategies for lane marking misdetection
Wen-Chiao Lin, Rochester Hills, MI (US); Zhongyu Yang, Farmington Hills, MI (US); Xinyu Du, Oakland Township, MI (US); Yao Hu, Sterling Heights, MI (US); Shengbing Jiang, Rochester Hills, MI (US); Yilu Zhang, Northville, MI (US); and Sidi Lu, Detroit, MI (US)
Assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US)
Filed by GM Global Technology Operations LLC, Detroit, MI (US)
Filed on May 10, 2022, as Appl. No. 17/740,625.
Prior Publication US 2023/0368547 A1, Nov. 16, 2023
Int. Cl. G06V 20/56 (2022.01); B60W 40/06 (2012.01)
CPC G06V 20/588 (2022.01) [B60W 40/06 (2013.01); B60W 2420/403 (2013.01); B60W 2552/53 (2020.02)] 20 Claims
OG exemplary drawing
 
1. A method of navigating a vehicle, comprising:
obtaining, at a camera on the vehicle, an image of a road upon which the vehicle is moving;
determining a first set of lane markers by segmenting the image using pixel colors;
determining a first confidence value for the first set of lane markers;
determining a feature from the image that includes a shape of the road;
determining a second set of lane markers based on the shape of the road in the image;
determining a second confidence value for the second set of lane markers; and
generating a warning signal when a difference between the first confidence value and the second confidence value is greater than a selected criterion.