Registers – Records – Fluorescent – phosphorescent – radiation emitting
Reexamination Certificate
2003-04-09
2010-10-19
Koyama, Kumiko C (Department: 2887)
Registers
Records
Fluorescent, phosphorescent, radiation emitting
C235S494000
Reexamination Certificate
active
07815124
ABSTRACT:
The invention relates to identification documents, and in particular to pre-printing processing covert images, such as UV or IR images, provided on such identification documents. In one implementation, the invention includes a method of processing a digital image that is to be printed on a surface of an identification document as a fluorescing-capable image to improve the quality of the image. Edges or boundaries are detected within the image, the detected edges or boundaries forming an intermediate image. The edges or boundaries within the image are emphasized, and the emphasized image is used for printing the covert image. In some implementations of the invention, a digital watermark is embedded in the covert image.
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Bi Daoshen
Duggan Charles F.
Jones Robert
Schneck Nelson
Koyama Kumiko C
L-1 Secure Credentialing, Inc.
Mintz Levin Cohn Ferris Glovsky & Popeo PC
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