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:
Oct. 11, 2011
Filed:
Mar. 12, 2008
Yasuhiro Komiya, Tokyo, JP;
Yasuhiro Komiya, Tokyo, JP;
Olympus Corporation, Tokyo, JP;
Abstract
An outline detection apparatus which detects an outline of a tooth in a dental image, including: a rectangular range specification device for estimating portions in the dental image as a tooth, gum, and background respectively, and specifying rectangular ranges with predetermined pixels in the positions estimated as the tooth, gum, and background; and a site estimation device for acquiring a characteristic quantity based on color information of the pixels in the rectangular ranges, finding a classification vector which maximizes the Fischer ratio based on the characteristic quantity, and estimating which of the tooth range, the gum range, and the background range, pixels other than the pixels in the rectangular ranges are positioned in according to comparison between a predetermined threshold value and an inner product between the classification vector and a pixel value vector based on color information on pixels other than the pixels in the rectangular ranges.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile