Method and system for improved copy quality in a...

Details Method and system for improved copy quality in a... Method and system for improved copy quality in a...

2011-01-11

2011-01-11

Moore, David K (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S001900, C358S002100, C358S462000, C382S176000, C382S205000, C382S261000

Reexamination Certificate

active

07869093

ABSTRACT:
A method and system reconstructs a contone image from a binary image by first tagging pixels to identify one of a multiplicity of image content types. The tag information and the pattern of bits surrounding the pixel to be converted to a contone value are used to reconstruct a contone image from a binary image. The pattern of bits in the neighborhood is used to generate a unique identifier. The unique identifier is used as the address for a lookup table with the contone value to be used. A filter also generates a contone value. A selector selects between the look-up table contone value and the filter contone value based an image context type.

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