Image processing method and apparatus, and printing method and apparatus
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United States of America Patent
Stats
-
Nov 27, 2001
Grant Date -
N/A
app pub date -
Mar 10, 1999
filing date -
Mar 11, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A printing apparatus comprises a plurality of ink-jet head units for different densities of ink. Plural types of superimposition print data for superimposing different densities of ink in accordance with density are stored in an ink type distribution table. A predetermined image is printed on a print medium by using the plural types of superimposition print data, and the density of the printed image is measured. Based on the measured density and a pixel value of original image data, the most optimum print data is selected from the plural types of superimposition print data stored in the ink type distribution table. By using the selected print data, driving data for printing the image is generated, using different densities of ink.
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