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. 27, 2008
Filed:
Jul. 16, 2004
Takeo Azuma, Kyoto, JP;
Kenji Kondo, Kyoto, JP;
Masahiro Wakamori, Kanagawa, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A plurality of images that include the same eye is input (S) and iris regions are extracted therefrom to obtain iris images (S). After the plural iris images are subjected to transformation from a rectangular coordinate system to a polar coordinate system (S) and rotational compensation (S), the images are added together while a weight is attached to a pixel value in each coordinate of the polar coordinate system, to accumulate them as a single iris image (S). An iris code is generated from the thus obtained single iris image (S, S).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile