Correction method, apparatus, data carrier or system for correcting for unintended spatial variation in lightness across a physical image produced by a xerographic process

Correction method, apparatus, data carrier or system for correcting for unintended spatial variation in lightness across a physical image produced by a xerographic process

A correction method for correcting unintended spatial variation in lightness across a physical image produced by a xerographic process, the method comprising producing a test image using the xerographic process, measuring a difference between actual lightness and intended lightness across at least p...

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Bibliographische Detailangaben
Hauptverfasser: Shelef, Eyal, Harush, Shlomo, Braverman, Gregory, Shalev, Maya, Markus, Barak, Amir, Gidl, Breen, Craig, Livne, Haim, Plotkin, Michael
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A correction method for correcting unintended spatial variation in lightness across a physical image produced by a xerographic process, the method comprising producing a test image using the xerographic process, measuring a difference between actual lightness and intended lightness across at least part of the test image, and varying the light source level used subsequently in the xerographic process to correct for the measured unintended difference.