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:
Jul. 07, 1998
Filed:
Mar. 04, 1996
Hewlett-Packard Company, Palo Alto, CA (US);
Abstract
A system converts a source image, which may include plural grey level source pixels at a first resolution level, to a destination image at a second resolution level. The system employs a scaling subsystem including a memory which stores at least a portion of a row of source pixels, a scale factor and a relative input index array (RIIA) comprising a single index bit for each column of the destination image. Each index bit enables a grey level source pixel to be identified to be used in scaling of the source image to the second resolution. A scale logic circuit is responsive to each index bit and the source pixels, to associate at least one source pixel with each column of the destination image. The scaling subsystem further includes a control processor which calculates the RIIA based upon the scale factor stored in the memory.