|Table of Contents|

High-capacity MPEG Video Authentication Algorithm with Location

《南京理工大学学报》（自然科学版）[ISSN:1005-9830/CN:32-1397/N]

Issue:
2008年01期
Page:
55-59
Research Field:
Publishing date:

Info

Title:
High-capacity MPEG Video Authentication Algorithm with Location
Author(s):
LEI Hong-yu; DAI Yue-wei; WANG Zhi-quan
School of Automation,NUST,Nanjing 210094,China
Keywords:
digital watermark;  video authentication;  differential energy watermarking
PACS:
TN919.8;TP309.7
DOI:
-
Abstract:
This paper presents a digital watermarking algorithm for MPEG video authentication.For resisting "AddValue" attack effectively,the basic scheme uses weighted partial energy relation between groups of discrete cosine transform(DCT) blocks in the same macroblock to produce a semi-fragile feature code.The watermark is embedded into the same macroblock using differential energy watermarking(DEW) for reference,which makes the algorithm robust against the ordinary processing.Compared with the traditional DEW,the watermark capacity is improved remarkably and the attack can be localized at marcoblock level.

References:

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Memo

Memo:
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Last Update: 2012-12-05