System for locating and determining the orientation of bar codes in a two-dimensional image
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United States of America Patent
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Mar 22, 1994
Issued Date -
N/A
app pub date -
Sep 26, 1991
filing date -
Mar 28, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A bar code reader includes an image capture means for storing a two dimensional image in memory, which stored image may include a bar code symbol within the field of view of said image. The present bar code reader further includes method and apparatus for determining the location and orientation of said bar code symbol within the field of view of said image, and then filtering said located and oriented bar code symbol along an axis perpendicular to said detected orientation. Thereafter, the filtered bar code symbol is scanned and applied to a decoder to produce a decoded bar code output.
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