Dithering optimization techniques
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United States of America Patent
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Jun 11, 1996
Grant Date -
N/A
app pub date -
Jan 4, 1994
filing date -
Jan 11, 1993
priority date (Note) -
Expired
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Abstract
A process of producing large dither matrices suitable in use in halftoning images is disclosed. This process includes forming an objective function based on the placement of the dither values within the matrix and optimizing the objective function so as to produce an improved matrix. The preferred optimizations process includes the use of simulated annealing with additional optimizations of the simulated annealing process being disclosed.
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