Image processor, method for processing image, printing apparatus, printing method, program, and storage medium that stores computer-readable program code
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United States of America Patent
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Jun 6, 2006
Issued Date -
N/A
app pub date -
Jul 13, 2001
filing date -
Jul 17, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention reduces the granularity of the dots for the entire density range by optimally setting formation amounts of a low-density dot and of a high-density dot per unit area. For this purpose, the formation amounts of the low-density dot and of the high-density dot in accordance with the density level are determined in such a way that as the density level rises, the formation amount of the low-density dot is gradually increased up to a first peak amount (200%) and, after reaching the first peak, gradually decreased, and in a range of density levels higher than a predetermined density level at which the low-density dot is formed to a specified amount (200%), as the density level rises, the formation amount of the high-density dot is gradually increased up to a second peak amount (100%) smaller than the first peak amount.
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