Method and system for performing image mark recognition

Details Method and system for performing image mark recognition Method and system for performing image mark recognition

2007-10-09

2009-08-11

Desire, Gregory M (Department: 2624)

Image analysis

Pattern recognition

Limited to specially coded, human-readable characters

C382S165000, C382S175000, C382S318000, C434S354000, C434S359000

Reexamination Certificate

active

07574047

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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