Method for correcting unadjusted printing data on the basis of colormetrically measured reference sheet

A method for correcting digitized image data in the prepress stage when using printing presses having a device-independent color profile in the main printing stage, having the following method steps: colorimetric measurement of a reference sheet and production of an image file in a device-independen...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MAYER MARTIN, DELANG ULF, SIEGERITZ HELMUT, UTTER BERND, SCHNEIDER MANFRED, HEUSS FRIEDRICH
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COLORIMETRY COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY IMAGE DATA PROCESSING OR GENERATION, IN GENERAL LINING MACHINES MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING PERFORMING OPERATIONS PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION PRINTING PRINTING MACHINES OR PRESSES RADIATION PYROMETRY STAMPS TESTING TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	A method for correcting digitized image data in the prepress stage when using printing presses having a device-independent color profile in the main printing stage, having the following method steps: colorimetric measurement of a reference sheet and production of an image file in a device-independent color space, conversion of an image file belonging to the reference sheet in a device-dependent color space into a further image file in a device-independent color space using the device-independent color profile belonging to the printing press to be used, comparison of the two device-independent image files. performing alterations on the device-dependent image file associated with the reference sheet or alteration of the printing process in the selected printing press if tolerance limits are exceeded.