| 摘要 |
A method of processing postal articles in an automatic address-reading system in which a multi-level gray scale image is formed of the surface of each article including address information, the multi-level gray scale image is transformed into a first binary image and the binary image is sent to an OCR unit for a first automatic evaluation of the address information, wherein a signature representative of a category of address information marks is extracted from the multi-level gray scale image and/or the binary image and/or the result of automatic data evaluation, the multi-level gray scale image is transformed again into a second binary image taking account of the category represented by the signature, and the second binary image is sent to an OCR unit in order to perform a second automatic evaluation.
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