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Revisiting Weighted Stego-Image steganalysis

Abstract:

This paper revisits the steganalysis method involving a Weighted Stego-Image (WS) for estimating LSB replacement payload sizes in digital images. It suggests new WS estimators, upgrading the method's three components: cover pixel prediction, least-squares weighting, and bias correction. Wide-ranging experimental results (over two million total attacks) based on images from multiple sources and pre-processing histories show that the new methods produce greatly improved accuracy, to the extent ...

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Publisher copy:
10.1117/12.766820

Authors


Journal:
Proceedings of SPIE - The International Society for Optical Engineering
Volume:
6819
Publication date:
2008-01-01
DOI:
ISSN:
0277-786X
Source identifiers:
290618
Language:
English
Keywords:
Pubs id:
pubs:290618
UUID:
uuid:26bf849d-0b22-44e3-ade1-4d9ff386aaac
Local pid:
pubs:290618
Deposit date:
2013-02-20

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