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SSWMC
2004
13 years 7 months ago
2004
Biometric authentication, i.e. verifying the claimed identity of a person based on physiological characteristics or behavioral traits, has the potential to contribute to both priv...
SSWMC
2004
13 years 7 months ago
2004
We study a detection-theoretic approach to steganalysis. The relative entropy between covertext and stegotext determines the steganalyzer's difficulty in discriminating them,...
SSWMC
2004
13 years 7 months ago
2004
The goal of image steganography is to embed information in a cover image using modifications that are undetectable. In actual practice, however, most techniques produce stego imag...
SSWMC
2004
13 years 7 months ago
2004
Authentication of digital documents is an important concern as digital documents are replacing the traditional paper-based documents for official and legal purposes. This is espec...
SSWMC
2004
13 years 7 months ago
2004
A possible solution to the difficult problem of geometrical distortion of watermarked images in a blind watermarking scenario is to use a template grid in the autocorrelation func...