Fully scalable encryption for scalable multimedia

Details Fully scalable encryption for scalable multimedia Fully scalable encryption for scalable multimedia

2008-07-29

2008-07-29

Zand, Kambiz (Department: 2134)

Cryptography

Video cryptography

C380S243000, C713S176000, C705S057000, C705S058000, C705S059000

Reexamination Certificate

active

10405970

ABSTRACT:
Subject matter includes exemplary systems and related methods for fully scalable encryption of scalable multimedia. A scalable bitstream encrypted using the subject matter maintains full functionality of scalable features in the encrypted form. The exemplary scalable encryption allows transcoding, rate shaping, and other operations directly on the ciphertext without degradation of scalable compression efficiency and error resiliency.

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