Detecting barcodes on two-dimensional images using frequency domain data
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United States of America Patent
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Nov 18, 2008
Grant Date -
Sep 28, 2006
app pub date -
Mar 27, 2006
filing date -
Mar 25, 2005
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Abstract
A system and method of detecting a barcode involves obtaining a two-dimensional source image and converting it into a frequency domain image (FDI). Frequency trends in the FDI are then analyzed to determine whether barcode information is present in the FDI. In this way, the presence, location, orientation, size and symbology of a barcode can be quickly and accurately determined.
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