OCR image preprocessing method for image enhancement of scanned

Image analysis – Image enhancement or restoration

Patent

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Details

382173, G06K 940

Patent

active

055948146

ABSTRACT:
In a run-length coded document image process a horizontal line in textual matter is eliminated by establishing a work zone around the horizontal line and a buffer zone of predetermined width around the work zone. All black-run-length artifacts that extend outside of the buffer zone are protected, this includes protecting information in the work zone when there is a matching artifact in the opposing buffer zone (Character Reconstruction). All black items that are within the work zone and the buffer zone, and which are not protected are eliminated.

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