System for detection of marking on a moving product web

The method involves optically scanning a web of material (3) e.g. textile by at least one image recording device (6) e.g. charged coupled device (CCD) camera, in successive measuring cycles and outputs image signals for input to an image processing device (7) for determining the position of marking...

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Bibliographische Detailangaben
Hauptverfasser:	ZEH, MARTIN, SCHILD, DOMINIK, SANDER, PETER, EISEN, JUERGEN, WITTMANN, ANDREA
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CALCULATING COMPUTING COUNTING DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES GYROSCOPIC INSTRUMENTS MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS NAVIGATION PERFORMING OPERATIONS PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS POSTAL SORTING SEPARATING SOLIDS FROM SOLIDS SORTING SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTEDPIECE-MEAL, e.g. BY PICKING SURVEYING SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR TESTING TRANSPORTING
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Beschreibung
Zusammenfassung:	The method involves optically scanning a web of material (3) e.g. textile by at least one image recording device (6) e.g. charged coupled device (CCD) camera, in successive measuring cycles and outputs image signals for input to an image processing device (7) for determining the position of marking (2). The image processing device generates a validity signal, which indicates whether the determined positional value is valid, by applying a position-dependent weighting function to the obtained positional values.