Traffic light detection using multiple regions of interest and confidence scores

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United States of America Patent

PATENT NO 9977975
SERIAL NO

15240112

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Abstract

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Described herein is a device for traffic light detection. The device comprises a memory and a traffic light detection module. The memory may store information, the information comprising first traffic light data of a first traffic light and second traffic light data of a second traffic light. The traffic light detection module may receive an image comprising a first candidate and a second candidate; determine a first region of interest based, at least in part, on the first traffic light data, the first region of interest comprising the first candidate; determine a second region of interest based, at least in part, on the second traffic light data, the second region of interest comprising the second candidate; and determine a confidence score for a first state of the first candidate, the confidence score based, at least in part, on a spatial relationship factor between the first candidate and the second candidate.

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Patent Owner(s)

Patent OwnerAddress
TOYOTA JIDOSHA KABUSHIKI KAISHA1 TOYOTA-CHO TOYOTA-SHI AICHI-KEN 471-8571

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Delp, Michael J Ann Arbor, US 25 588
Mei, Xue Ann Arbor, US 52 596
Prokhorov, Danil V Canton, US 136 3319
Sakai, Katsuhiro Ann Arbor, US 92 1639

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