Blind Authentication Using Periodic Properties of Interpolation

In this paper, we analyze and analytically describe the specific statistical changes brought into the covariance structure of signal by the interpolation process. We show that interpolated signals and their derivatives contain specific detectable periodic properties. Based on this, we propose a blin...

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Veröffentlicht in:	IEEE transactions on information forensics and security 2008-09, Vol.3 (3), p.529-538
Hauptverfasser:	Mahdian, B., Saic, S.
Format:	Artikel
Sprache:	eng
Schlagworte:	Authentication Blinds Derivatives Digital forgery Digital images Forensics Forgery Geometric transformation image forensics Interpolation interpolation detection Mathematical analysis Periodic structures Resampling resampling detection Security Signal analysis Signal processing Statistics Studies tampering detection
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