| 摘要 |
In a method for recognizing a graphical item of mailing data on mailed items which are to be mechanically sorted, an image of a mailed item is recorded and encoded using gray values. The recorded image is digitized in binary form in accordance with a variable threshold characteristic curve, so that at least one item of mailing data is recognized for sorting the mailed item. In the event of incomplete recognition of the item of mailing data, the recorded image is digitized using a reset threshold characteristic curve. After a predefined number of incomplete recognitions, manual sorting is initiated.
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