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:
Sep. 23, 2014
Filed:
Jan. 24, 2011
Masanori Kosaki, Fukushima-ken, JP;
Masanori Kosaki, Fukushima-ken, JP;
Toshiba Alpine Automotive Technology Corporation, Iwaki-shi, JP;
Abstract
According to one embodiment, a camera calibration apparatus includes: a plurality of on-vehicle cameras; a feature point detection section that identifies an image of lines representing a parking frame from each of images by the plurality of cameras and detects two feature points; a viewpoint conversion section that generate an overhead view having a viewpoint from just above the vehicle based on the feature points and two directions crossing each other at each of the feature points; and an adjustment section that determines the boundary position between the vehicle and line image from the overhead view to determine the display frame of a vehicle image and changes the overhead view such that the size ratio and position of the display frame become previously specified values.