System for evaluating print quality for a sheet
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United States of America Patent
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Oct 6, 1998
Grant Date -
N/A
app pub date -
Jan 5, 1996
filing date -
Jan 5, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A computerized system simulates the absorption of ink into a sheet of paper. A portion closest to the print surface is scanned and a 'sheet intensity value' is assigned to each pixel formed on the scanned image. A pre-formed printed screen image is laid over the scanned image of the sheet surface so that each pixel in the scanned image has a corresponding pixel in the print pattern. The sheet intensity value is subtracted from the print intensity value to obtain a final intensity value, which provides an indication of how ink will appear if it is applied to that pixel area of the sheet.
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