Method for transmitting data with digital watermark access control and devices therefor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
N/A
Issued Date -
Feb 6, 2003
app pub date -
Aug 27, 2002
filing date -
Mar 8, 2000
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Process of transmission of information with access control as a digital watermark. The access control information is inserted into the scrambled data in the form of a digital watermark. On reception, the digital watermark is extracted from the received data, the access control information is recovered, and the received data are unscrambled if access is authorized. Application particularly to the transmission of images.
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Family
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Cited Art Landscape
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