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Method and System for Performing Image Mark Recognition

Author(s):
Cichielo, Robert; Hoffman, Jeffrey A.
Patent Issued:
Aug 11, 2009
Patent Number:
7,574,047
Source:
ETS Patent
Document Type:
Patent
Family ID:
34750087
Subject/Key Words:
Patent, Active Patent, Image Processing, Mark Recognition, Document Scanning, Digital Images

Abstract

A method and system for performing image mark recognition for a document is disclosed. A document is scanned into a digital image. Reference image marks are sensed from the digital image. The reference image marks may include trigger row marks and/or corner/crop marks. Coordinates denoting the location of cells within the digital image are determined base on the locations of the reference image marks. Response marks are evaluated for darkness, opacity, and/or grayness on a pixel-by-pixel basis. The response marks are each assigned a percentage value based on the ratio between a total color value for a cell and a maximum color value for a cell.

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