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:
Mar. 16, 2004
Filed:
Sep. 20, 1999
Applicant:
Inventor:
Brent M. Bradburn, Boise, ID (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 1/21 ;
U.S. Cl.
CPC ...
H04N 1/21 ;
Abstract
The method of the invention improves the presentation of pixel data images in output documents. The method is implemented by a pipeline of image processing actions which, among others, includes an edge evaluation step wherein neighborhoods of pixel data are examined to derive edge values that are indicative of an edge presence in the respective neighborhood. Each edge value is further indicative of the intensity of the edge. The edge evaluation action further determines scaling parameters which enable later distribution of a neighborhood's center pixel tone value to subpixels that are created during a scaling action of the center pixel.