Image analysis – Applications – Document or print quality inspection
Patent
1995-08-31
1999-09-21
Johns, Andrew
Image analysis
Applications
Document or print quality inspection
382304, G06K 900
Patent
active
059564148
ABSTRACT:
The method and the arrangement according to the invention for monitoring and controlling processes in the field of the further processing of products of a printing machine into finished printed products such as newspapers, magazines, and similar items is based on a functional cross-linking of a plurality of image processing modules. In each of the image processing modules clocked comparing steps are carried out in which actual images recorded by at least one image recording device are compared with reference images stored in the image processing modules and control signals are generated according to the result of the comparison and according to the momentary operating state of the image processing module. Each image processing module comprises inputs and outputs for images and inputs and outputs for control signals. Through the functional cross-linking of the image processing modules via their inputs and outputs the operating state and/or the stored reference of every image processing module becomes changeable by control signals and other image processing modules and/or by control signals generated by the module itself. Therefore, a process is not only monitored by the inventive method but can also be controlled by it.
REFERENCES:
patent: 4953841 (1990-09-01), Polarek
patent: 5067088 (1991-11-01), Schneiderhan
patent: 5207412 (1993-05-01), Coons, Jr et al.
patent: 5445367 (1995-08-01), Long
patent: 5510997 (1996-04-01), Hines et al.
Ferag AG
Johns Andrew
LandOfFree
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