Facsimile and static presentation processing – Static presentation processing – Attribute control
Reexamination Certificate
2001-06-26
2008-08-26
Coles, Sr., Edward L (Department: 2625)
Facsimile and static presentation processing
Static presentation processing
Attribute control
C358S003050, C358S003220, C382S237000
Reexamination Certificate
active
07417771
ABSTRACT:
Artifacts of error diffusion halftoning are reduced by selecting a halftone threshold for a current pixel on the basis of an accumulated halftone error for the pixel and its neighbors.
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Coles, Sr. Edward L
Sharp Laboratories of America Inc.
Thompson James A
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