Apparatus and method for fingerprinting digital media

Details Apparatus and method for fingerprinting digital media Apparatus and method for fingerprinting digital media

2006-09-19

2006-09-19

Neyzari, Ali (Department: 2627)

Dynamic information storage or retrieval

Binary pulse train information signal

C369S124010, C382S100000, C382S232000, C382S248000

Reexamination Certificate

active

07110338

ABSTRACT:
An apparatus for generating a fingerprint of a digital medium having a partial decoder for generating a partially decoded form of a compressed datastream, feature extractor for extracting at least one invariant feature from the partially decoded form, a fingerprint calculator for computing at least one fingerprint from the extracted invariant feature. An apparatus for authenticating fingerprints and methods for generating and authenticating fingerprints.

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