The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 23, 2021

Filed:

Dec. 14, 2018
Applicant:

Waymo Llc, Mountain View, CA (US);

Inventors:

Zhinan Xu, San Jose, CA (US);

Maya Kabkab, Mountain View, CA (US);

Chen Wu, Cupertino, CA (US);

Woojong Koh, San Jose, CA (US);

Assignee:

Waymo LLC, Mountain View, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05D 1/02 (2020.01); G06K 9/00 (2006.01); G06T 7/60 (2017.01); G05D 1/00 (2006.01); G06T 7/90 (2017.01);
U.S. Cl.
CPC ...
G05D 1/0246 (2013.01); G05D 1/0088 (2013.01); G06K 9/00671 (2013.01); G06K 9/00818 (2013.01); G06T 7/60 (2013.01); G06T 7/90 (2017.01); G06T 2207/30252 (2013.01);
Abstract

Aspects of the disclosure relate to determining a sign type of an unfamiliar sign. The system may include one or more processors. The one or more processors may be configured to receive an image and identify image data corresponding to a traffic sign in the image. The image data corresponding to the traffic sign may be input in a sign type model. The processors may determine that the sign type model was unable to identify a type of the traffic sign and determine one or more attributes of the traffic sign. The one or more attributes of the traffic sign may be compared to known attributes of other traffic signs and based on this comparison, a sign type of the traffic sign may be determined. The vehicle may be controlled in an autonomous driving mode based on the sign type of the traffic sign.


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