Diversity and attack characterization for improved robust watermarking

Author

Kundur, Deepa ; Hatzinakos, Dimitrios

Author_Institution

Dept. of Electr. & Comput. Eng., Toronto Univ., Ont., Canada

Volume

49

Issue

10

fYear

2001

fDate

10/1/2001 12:00:00 AM

Firstpage

2383

Lastpage

2396

Abstract

We consider the use of novel communication tool sets to improve the performance of robust watermarking systems. In particular, we relate the effects of attacks on the watermark to signal interference in a fading environment and employ diversity transmission and channel estimation principles to improve performance. A nonstationary parallel binary symmetric channel (BSC) model of the watermark channel is introduced to more accurately characterize signal tampering and, hence, extract the watermark. Analysis of the system sheds light on novel strategies and domains to embed information to improve the performance of robust data hiding schemes. Simulation and testing verify our theoretical observations

Keywords

copy protection; data encapsulation; image coding; security of data; BSC model; attack characterization; channel estimation; communication tool sets; data hiding; diversity; fading environment; information embedding; nonstationary parallel binary symmetric channel model; robust watermarking; signal interference; signal tampering; Channel estimation; Data encapsulation; Data mining; Fading; Information analysis; Interference; Performance analysis; Robustness; Testing; Watermarking;

fLanguage

English

Journal_Title

Signal Processing, IEEE Transactions on

Publisher

ieee

ISSN

1053-587X

Type

jour

DOI

10.1109/78.950793

Filename

950793