JPEG image steganalysis using block based optimal wavelet packet decomposition

  title={JPEG image steganalysis using block based optimal wavelet packet decomposition},
  author={Leila Omrani and Karim Faez},
  journal={6th International Symposium on Telecommunications (IST)},
This article has proposed a steganalysis method for digital images. Common steganalysis techniques go over the entire image; this will reduce their focus on higher frequencies in which there is a higher probability for hidden messages. Accordingly, in this article, images are first decomposed into smaller blocks and then optimal wavelet packet decomposition method is applied to extract the features of each block. In the proposed algorithm, characteristic function moments obtained from wavelet… CONTINUE READING
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