T�tulo: Digital Rights Management for Compressed and Encrypted Images: Introduction, Analysis and Design
Editor: LAP LAMBERT Academic Publishing
Fecha de publicaci�n: 2020
Idioma: Ingl�s
ISBN 10: 6202921587
ISBN 13: 9786202921589
Encuadernaci�n: Encuadernaci�n de tapa blanda
Estado: New

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Sinopsis

Digital Right Management systems (DRMs) generally handle media data in a compressed and encrypted form. It is often necessary to watermark these media items in the compressed-encrypted domain itself for tamper detection or ownership declaration or copyright management purposes. It is a challenge to watermark these compressed encrypted streams as the compression process would have packed the information of raw media into a low number of bits and encryption would have randomized the compressed bit stream. Attempting to watermark such a randomized bit stream can cause a dramatic degradation of the media quality. Thus, it is necessary to choose an encryption scheme that is both secure and will allow watermarking in a predictable manner in the compressed encrypted domain.

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