Facsimile and static presentation processing – Static presentation processing – Attribute control
Reexamination Certificate
2003-06-30
2008-11-18
Haskins, Twyler L (Department: 2625)
Facsimile and static presentation processing
Static presentation processing
Attribute control
C358S448000, C358S401000, C358S003090, C358S003300, C358S534000
Reexamination Certificate
active
07453604
ABSTRACT:
Methods and systems used to automatically identify the marking process used for an image on a substrate based on spatial characteristics and/or color of the image. Image types which are classified and identified include continuous tone images and halftone images. Among halftone images separately identified are inkjet images, xerographic images and lithographic images. Locally adaptive image threshold techniques may be used to determine the spatial characteristics of the image.
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Eschbach Reiner
Sharma Gaurav
Wang Shen-ge
Haskins Twyler L
Oliff & Berridg,e PLC
Xerox Corporation
Zheng Jacky X
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