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#1 Posted : Tuesday, June 19, 2007 7:04:43 AM(UTC)

mattie  
mattie

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to obtain maximum detection rate, is it recommended to do some preprocessing like binarization/thresholding or does the barcode library already do that on its own?

what is the minimum recommended white space width (in pixels) in a CODE128 code? are there any rules about that?

tia
matthias
 

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#2 Posted : Wednesday, June 20, 2007 12:38:54 AM(UTC)

Qasem Lubani  
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The barcode engine does not
perform pre-processing on the images. If the image quality is poor (such as low resolution or high noise), you might need to perform s


The minimum white space width is not documented in the
help files, but I tested some barcodes that had a 1-pixel white space between
adjacent black bars, and the engine was able to recognize it correctly. The
documented parameters of different barcode types are listed in the help topic for the BARCODEDATA structure in the Barcode API help file.
 
#3 Posted : Wednesday, June 20, 2007 1:16:47 AM(UTC)

mattie  
mattie

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Posts: 37


thanks
 
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