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. 15, 1986
Filed:
Aug. 13, 1984
Richard K Habitzreiter, Dallas, TX (US);
Robert V Pinney, Jr, Fort Worth, TX (US);
Rodney K Guthmueller, Lewisville, TX (US);
Recognition Equipment Incorporated, Irving, TX (US);
Abstract
A video correlator is provided for use in an image processing system wherein video data representative of a document image or portions thereof is received in a gray level data format in which the image is composed of a plurality of cells for enhancing the black/white characterization of each cell. The correlator includes structure for comparing a cell's gray level data with the average gray level of a preselected number of surrounding cells. Structure is also provided for automatically selecting the number of surrounding cells for determining the average gray level.