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. 30, 2001
Filed:
Jun. 27, 1997
Applicant:
Inventors:
Weiping Li, Bethlehem, PA (US);
Shipeng Li, Hightstown, NJ (US);
Assignee:
Competitive Technologies of PA, Inc., Bethlehem, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 9/36 ;
U.S. Cl.
CPC ...
G06K 9/36 ;
Abstract
A method for encoding an image-representative signal, including the following steps: for shapes of the image, applying a transform to a segment of pixels of the shape to obtain a low pass transform component and a high pass transform component; and for segments with an odd number of pixels, including the odd pixel in the low pass transform component and excluding the odd pixel from the high pass transform component.