Method of generating randomized masks to improve image quality o

Details Method of generating randomized masks to improve image quality o Method of generating randomized masks to improve image quality o

1997-10-27

2000-12-05

Coles, Edward L.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 18, 358517, 347 12, 347 15, G06F 1500

Patent

active

061574619

ABSTRACT:
A mask generation subroutine forms Z number of stacked n by m blank mask matrix arrays to provide a plurality of columnar mask locations. The subroutine then selects randomly any previously unselected column of mask locations from the stack of blank mask matrix arrays and assigns best print mode parameters to the individual mask locations in the selected column. The process of selecting and assigning is repeated until all columns of mask locations have been selected and all mask locations have been assigned best print mode parameters to provide a complete set of Z number of configured mask matrix arrays. A control program selects desired ones of the Z number of masks and applies the selected mask to control indicia patterns so that the depositing of indicia forming material in adjacent pixel locations is spaced in time to occur in different ones of the Z passes.

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