Revisiting weighted stego-image steganalysis

@inproceedings{Ker2008RevisitingWS,
  title={Revisiting weighted stego-image steganalysis},
  author={Andrew D. Ker and Rainer B{\"o}hme},
  booktitle={Security, Forensics, Steganography, and Watermarking of Multimedia Contents},
  year={2008}
}
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… CONTINUE READING
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