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.:

US 9071785 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 30, 2015

Filed:

Feb. 15, 2013
Applicant:

Gradeable, Inc., Cambridge, MA (US);

Inventor:

Dante Cassanego, Cambridge, MA (US);

Assignee:

Gradeable, Inc., Boston, MA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/40 (2006.01); H04N 1/387 (2006.01); G06K 9/32 (2006.01);
U.S. Cl.
CPC ...
H04N 1/387 (2013.01); G06K 2009/3225 (2013.01);
Abstract

The present disclosure concerns a method and system to accurately remove a three-dimensional distortion in an image of a document and convert the image into an accurate two dimensional image. A method for accurately deducing an image of a document to a precise document boundary is also disclosed. A portable computing device may employ the disclosed method and system. The methods involve a marker embedded in a document which provides three-dimensional positional information of a recording device with reference to the marker continuously in real time.


Find Patent Forward Citations

Loading…