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.
Patent No.:
Date of Patent:
Jan. 23, 2024
Filed:
Dec. 25, 2020
Hitachi Astemo, Ltd., Hitachinaka, JP;
HITACHI ASTEMO, LTD., Hitachinaka, JP;
Abstract
Erroneous detection due to erroneous parallax measurement is suppressed to accurately detect a step present on a road. An in-vehicle environment recognition deviceincludes a processing device that processes a pair of images acquired by a stereo camera unitmounted on a vehicle. The processing device includes a stereo matching unitthat measures a parallax of the pair of images and generates a parallax image, a step candidate extraction unitthat extracts a step candidate of a road on which the vehicle travels from the parallax image generated by the stereo matching unit, a line segment candidate extraction unitthat extracts a line segment candidate from the images acquired by the stereo camera unit, an analysis unitthat performs collation between the step candidate extracted by the step candidate extraction unitand the line segment candidate extracted by the line segment candidate extraction unitand analyzes validity of the step candidate based on the collation result and an inclination of the line segment candidate, and a three-dimensional object detection unitthat detects a step present on the road based on the analysis result of the analysis unit