Detecting bar code candidates
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United States of America Patent
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May 14, 2002
Issued Date -
N/A
app pub date -
Feb 26, 2001
filing date -
Jun 3, 1996
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An area of interest is scanned to produce pixels of the scanned area. The pixels are divided into a plurality of blocks. For each block, an orientation of a spanning line or a lack of orientation is determined. Contiguous ones of the blocks are clustered, when their orientation is within a certain tolerance level. Each cluster has a length and a width. The length is longer than the width. If the orientation of a cluster's block is perpendicular to the length of that cluster, that cluster is selected as a bar code candidate.
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