| 主权项 |
1. A method, comprising:
scanning a plurality of mail pieces in a first processing step, by mail processing equipment, to produce mail piece images; creating a mail piece fingerprint corresponding to each mail piece image, wherein each mail piece fingerprint uniquely identifies the corresponding mail piece based on graphical features of the corresponding mail piece including text blocks, colors, shapes, locations, pictures, or other visually distinctive items, without applying any identifier to the mail piece; producing a template based on a plurality of the mail piece images; associating a plurality of mail pieces with the template, the associated plurality of mail pieces forming a mail set; identifying quality-control problems associated with the mail set; separating the mail set from other mail during a second processing step by using the mail piece fingerprints to identify mail pieces that are part of the mail set; and separately processing the mail set from the other mail. |
