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22 June 2004 Kernel Fisher discriminant for steganalysis of JPEG hiding methods
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Abstract
The use of kernel Fisher discriminants is used to detect the presence of JPEG based hiding methods. The feature vector for the kernel discriminant is constructed from the quantized DCT coefficient indices. Using methods developed in kernel theory a classifier is trained in a high dimensional feature space which is capable of discriminating original from stegoimages. The algorithm is tested on the F5 hiding method.
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Jeremiah Joseph Harmsen and William A. Pearlman "Kernel Fisher discriminant for steganalysis of JPEG hiding methods", Proc. SPIE 5306, Security, Steganography, and Watermarking of Multimedia Contents VI, (22 June 2004); https://doi.org/10.1117/12.525996
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