Steganalysis and watermarking technique are two main subjects of information hiding detection field. In this paper, a review on the patents related to steganalysis and watermarking detection is given. The backgrounds and principles of all patents of steganalysis and watermarking detection are described briefly, and a short summarization about these patents is given. The challenge and potential research directions in the future are indicated.
Keywords: Information hiding, steganalysis, watermarking detection, patent, state of the art
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