Data hiding in communication

Details Data hiding in communication Data hiding in communication

2006-06-20

2006-06-20

Revak, Christopher (Department: 2131)

Cryptography

Video cryptography

Video electric signal masking

C714S006130, C382S191000

Reexamination Certificate

active

07065212

ABSTRACT:
Signature information, representing important content of the data, is extracted from a first data block and then embedded in a different block. Data hiding techniques are used to minimize perception of the hidden data. Thereafter, if the first data block is lost or damaged during communication, the hidden data is extracted from the other data block and used to reconstruct the lost or damaged block. If desired, the signature information can be used along with information obtained from neighboring blocks adjacent or proximate to the lost or damaged block.

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Resume of Min Wu, Oct. 2004, pp. 1-10.

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