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:
May. 03, 2011
Filed:
Dec. 17, 2007
Isao Furusawa, Hitachinaka, JP;
Isao Furusawa, Hitachinaka, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
This device includes an input unit for inputting an imaging signal sent from a camera for imaging an area around a vehicle in which the device is loaded, a coordinate area extracting unit for extracting predetermined continuous coordinate areas from the imaging signal inputted by the input unit, a feature quantity calculating unit for calculating a feature quantity of the coordinate areas extracted by the coordinate area extracting unit, a pairing unit for pairing the coordinate areas having the same or closer feature quantities, calculated by the feature quantity calculating unit, the coordinate areas being included in the coordinate areas extracted by the coordinate area extracting unit, with each other, and an output unit for outputting a signal that designates a distance between and a direction of the coordinate areas paired by the pairing unit.