Facsimile and static presentation processing – Static presentation processing – Attribute control
Reexamination Certificate
2007-10-02
2007-10-02
Moore, David (Department: 2625)
Facsimile and static presentation processing
Static presentation processing
Attribute control
C358S003060, C358S003260
Reexamination Certificate
active
09667964
ABSTRACT:
A method for initializing a printing system using error diffusion is discussed. In application of the invention to color printing systems, the method initializes a first error buffer with a first set of seed values and then initializes at least one other error buffer with another set of seed values. The other set of seed values is negatively correlated with respect to the first set of seed values in the first error buffer. The method then uses the seed values in all the error buffers to start an error diffusion process. For monochrome systems, only one error buffer is initialized with random numbers.
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Moore David
Sharp Laboratories of America Inc.
Thompson James A.
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