Optimized technique for decoding a bar code from an image of an array of pixels
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United States of America Patent
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Sep 7, 1999
Grant Date -
N/A
app pub date -
Aug 27, 1997
filing date -
Dec 13, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A technique for decoding a barcode from an image of the barcode in the form of an array of pixels stored in digital form by determining a series of bar start and bar end locations from the image. An optimization technique is used to select the bar start and bar end locations for the series by finding an extremum in a predefined target function. The target function is a function of the number of rows of pixels in the image in which runs of black or white pixels start or end at particular locations in the rows.
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