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Neue Methoden der automatischen Zeichnungsinterpretation. Einsatzmöglichkeiten der Grauwertverarbeitung.

New methods of an automatic interpretation of drawings
: Krause, F.-L.; Jansen, H.; Luth, N.

ZWF CIM 88 (1993), No.12, pp.589-592 : Abb.
ISSN: 0932-0482
Journal Article
Fraunhofer IPK ()
automatic drawing conversion; automatische Zeichnungsinterpretation; Bildverarbeitung; Computer Aided Design (CAD); Grauwertverarbeitung; gray level image processing; image processing; Mustererkennung; pattern recognition

Methods used so far an automatic registration of large-sized technical documents are based on the binarization of pixel data by means of a fixed or dynamic scanning threshold. However, the quality of the results obtained thereby depends to a considerable degree on the quality of the scanning patterns. Much better results can be obtained by means of processing the grey scale values even with a relatively slight resolution.