Facsimile and static presentation processing – Static presentation processing – Attribute control
Reexamination Certificate
2007-09-25
2007-09-25
Moore, David (Department: 2625)
Facsimile and static presentation processing
Static presentation processing
Attribute control
C358S401000, C358S463000, C382S275000
Reexamination Certificate
active
09939657
ABSTRACT:
An image data correcting device eliminates a back projection image without eliminating an image corresponding to a low-intensity halftone image. An intensity difference detection part detects an intensity difference between first image data corresponding to a part of a predetermined small area and second image data corresponding to the remaining parts of the predetermined small area. A halftone detection part determining whether the first image data corresponds to a halftone image. An intensity change part changes an intensity of the first image data to a predetermined low intensity, when the intensity difference is equal to or smaller than a first predetermined value and the first image data does not correspond to the halftone image and the intensity of the first image data is equal to or smaller than a second predetermined value.
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Fukuda Hiroaki
Kawamoto Hiroyuki
Takahashi Yuji
Dickstein & Shapiro LLP
Moore David
Ricoh & Company, Ltd.
Thompson James A.
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