51 search results - page 1 / 11 » Fast additive noise steganalysis |
SSWMC
2004
13 years 5 months ago
2004
This work reduces the computational requirements of the additive noise steganalysis presented by Harmsen and Pearlman. The additive noise model assumes that the stegoimage is crea...
ICIP
2005
IEEE
14 years 6 months ago
2005
IEEE
This paper presents novel techniques for detecting watermarks in images in a known-cover attack framework using natural scene models. Specifically, we consider a class of watermar...
ICA
2007
Springer
13 years 10 months ago
2007
Springer
Abstract. In this paper, a variant of the well known algorithm FastICA is proposed to be used for blind source separation in off-line (block processing) setup and a noisy environm...
SIGGRAPH
1996
ACM
13 years 8 months ago
1996
ACM
Scratches on old films must be removed since these are more noticeable on higher definition and digital televisions. Wires that suspend actors or cars must be carefully erased dur...
IJNSEC
2007
13 years 4 months ago
2007
In this paper, we propose a discrete cosine transform (DCT) based spread spectrum data-hiding algorithm that is resilient to statistical attacks. Unlike other spread spectrum base...