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 7245778 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 17, 2007

Filed:

Nov. 12, 2002
Applicants:

Peter G. Anderson, Pittsford, NY (US);

Charles Bouman, West Lafayette, IN (US);

Changmeng Liu, Rochester, NY (US);

Inventors:

Peter G. Anderson, Pittsford, NY (US);

Charles Bouman, West Lafayette, IN (US);

Changmeng Liu, Rochester, NY (US);

Assignees:

Rochester Institute of Technology, Rochester, NY (US);

Purdue Research Foundation, West Lafayette, IN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/36 (2006.01); G06K 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Methods, devices and systems for compressing images are provided. One method includes creating halftone mask structures and applying compression coding techniques to arrayed pixels sorted using the halftone mask structures in order to convert an image to a compressed bi-level, halftoned image.


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