System and method for marking data and document distribution
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Oct 21, 2008
Grant Date -
Jun 1, 2006
app pub date -
Jan 17, 2006
filing date -
Mar 31, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Systems and methods are provided through which marks are generated for combination with a host image, in which source or user information is encoded into the mark either as a visually perceptibly unobtrusive pattern, or encoded by an arrangement of visually perceptible marks. Systems and methods are also provided for decoding or estimating the user information from images that contain the marks and determining the user or source that the mark indicates within a measure of certainty.
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