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Bildauswertesystem VISTA zur automatischen Prüfung von befüllten unversiegelten Drageestreifen

Image-analysis system VISTA for automatic inspection of unsealed blisters filled with tablets
 
: Geißelmann, H.; Nill, W.; Pesl, M.

FhG-Berichte (1990), No.4, pp.51-55 : Abb.,Lit.
ISSN: 0342-1953
German
Journal Article
Fraunhofer IITB ( IOSB) ()

Abstract
Unsealed blisters filled with tablets are automatically checked by using a well-proven multi-level threshold method (1). All serious defects as missing or interchanged tablets are detected. Other defects as broken tablets, missing print on a tablet, spots or additional little pieces are detected with high reliability. As an essential progress in comparison to a former development (2) the image acquisition equipment is easy adaptable to different packaging machines and products, the operation interactions are immensely reduced by implementing a highly automated teaching procedure and in spite of doubling the throughput the sensitivity of the system is increased. The great sensitivity has been achieved by high image resolution (0,2 mm x 0,2 mm) and automatic recalibration procedures after each measurement cycle.

: http://publica.fraunhofer.de/documents/PX-6599.html