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:
Nov. 27, 2012
Filed:
Apr. 01, 2005
Raymond C. Kurzweil, Newton, MA (US);
Paul Albrecht, Bedford, MA (US);
Lucy Gibson, Belmont, MA (US);
Lev Lvovsky, Waban, MA (US);
Raymond C. Kurzweil, Newton, MA (US);
Paul Albrecht, Bedford, MA (US);
Lucy Gibson, Belmont, MA (US);
Lev Lvovsky, Waban, MA (US);
K-NFB Reading Technology, Inc., Wellesley Hills, MA (US);
Abstract
A reading machine that operates in various modes includes image correction processing is described. The reading device pre-processes an image prior to optical character recognition processing by detect distortion in an image of a page by measuring an extent to which page boundaries in the image deviate from a simple rectangular shape and correcting for the optical distortion by transforming the image to restore the page to a rectangular shape.