Invention Application
- Patent Title: METHOD AND APPARATUS FOR ESTIMATING ARTICULATION ANGLE
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Application No.: US15628030Application Date: 2017-06-20
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Publication No.: US20180365509A1Publication Date: 2018-12-20
- Inventor: Mohammad Naserian , Shuqing Zeng , Allan Lewis
- Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Main IPC: G06K9/32
- IPC: G06K9/32 ; B60R1/00 ; H04N7/18

Abstract:
A method and apparatus for trailer recognition are provided. The method includes detecting a face of a trailer in a first and second image, taken at first and second distances respectively, generating a bounding box around the face of the trailer in the first and second images, determining a first and second set of feature points in the bounding boxes of the first and second images, determining a correspondence between the first set of feature points and the second set of feature points and a correspondence between corners of the bounding boxes and estimating at least one dimension of the trailer by performing a least squares analysis to solve for three-dimensional real world coordinates of the first and second set of features points and the corners of the bounding boxes. The method may assist an operator of a vehicle in aligning the vehicle hitch with a trailer coupler.
Public/Granted literature
- US10346705B2 Method and apparatus for estimating articulation angle Public/Granted day:2019-07-09
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