Apparatus for Inspecting Printed Images and Method for Validating Inspection Algorithms

The invention relates to an apparatus for inspecting printed images for a printing or finishing machine with continuously moving printed products with an image detection device (3) with at least one camera (7), which is set up to detect a multi-line section of a recording region (5). In accordance w...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	Krebs, Stephan
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING IMAGE DATA PROCESSING OR GENERATION, IN GENERAL INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES LINING MACHINES MEASURING PERFORMING OPERATIONS PHYSICS PRINTING PRINTING MACHINES OR PRESSES STAMPS TESTING TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	The invention relates to an apparatus for inspecting printed images for a printing or finishing machine with continuously moving printed products with an image detection device (3) with at least one camera (7), which is set up to detect a multi-line section of a recording region (5). In accordance with the invention, the device is characterized by an evaluation device (8) which is set up to process at least two partial areas of the multi-line section as one strip image each, and has a validation mode in which at least two strip images of a test image are compared with each other to check whether deviations of the strip images are detected. In a method according to the invention for validating the inspection algorithms, a stencil (20; 40) is placed in a recording region (5) of the device (1) for print image inspection, at least two multi-line strip images are acquired and compared with each other to determine whether deviations between a first and a second pattern are detected.