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Extract barcode information from documents
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| Convert the document into an image | |
| convert -density 150 -threshold 55% SOURCE.pdf +adjoin DEST.gif | |
| convert -blur 0 -density 150 -quality 95 -threshold 55% digitalizar0004.pdf 4.png | |
| Extract the barcode text | |
| zbarimg -q --raw DEST.gif | |
| http://www.imagemagick.org/discourse-server/viewtopic.php?p=54039&sid=de8e1bed3fb621a91f8f00720cec7e33#p54039 |
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