When documents containing bar code symbols are faxed, the quality of the bar code symbol will degrade. Documents scanned by fax machines in Standard Resolution are sampled with 204 horizontal dots per inch and 98 vertical dots per inch. Each sample point is then converted to either a white or black value (a process known as binarization). The binarization process converts straight lines of the bar code symbols into ragged lines changing the width of the bars and spaces. If a ...
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