Abstract
This chapter builds on the weighted stego image (WS) steganalysis method, a quantitative detector for LSB replacement steganography invented by Fridrich and Goljan [73]. Section 2.10.4 above contains a detailed description of the method in its original form (hence called ‘standard WS’). A special property of WS is its explicit image model, represented by the pair of functions Pred and Conf, which are employed to estimate the cover signal. This makes the method a particularly interesting object of study from the point of view of our theory of cover models outlined in Chapter 3.
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© 2010 Springer-Verlag Berlin Heidelberg
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Böhme, R. (2010). Improved Weighted Stego Image Steganalysis. In: Advanced Statistical Steganalysis. Information Security and Cryptography, vol 0. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-14313-7_6
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DOI: https://doi.org/10.1007/978-3-642-14313-7_6
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Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-14312-0
Online ISBN: 978-3-642-14313-7
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