M. Kivanc Mihcak - UVigo-Tv

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Scanning & Reprinting Experiments Histogram of difference between original and scanned Scan & reprint once Scan & reprint twice Scan & reprint 3 times Scan & reprint 4 times
Overview of Watermarking Approach • Watermark w is pseudo-randomly generated, such that it is smooth and orthogonal to unmarked input s. Marked data x is sum of w and s. • Perform visual decoding at the receiver: Linear mapping to a high dimensional space and use human eye to perform decoding.
Page 1 and 2: Overview of Recent Content Authenti
Page 3 and 4: Part I: Tamper-Resistant Biometric
Page 5: How to Verify Photo IDs? • Person
Page 8: Problem! • DESIGNED FOR DIGITAL D
Page 11 and 12: Face = Linear combination of Eigenf
Page 13 and 14: • PROS: - Paper Pros & Cons - Ine
Page 16 and 17: Summary • Face + iris + fingerpri
Page 18 and 19: Motivation • Billions of dollars
Page 20 and 21: • Physical object Requirements -
Page 22 and 23: Issuing and Verifying COAs (Analogo
Page 24 and 25: Embedding Fibers Within Labels Pres
Page 26 and 27: Scanning A Label
Page 28 and 29: Receiver Operation
Page 30 and 31: Attacks • Exactly reproduce the f
Page 32 and 33: Advantages • Each label is unique
Page 34 and 35: Summary • Exciting research chall
Page 36 and 37: Problem • Counterfeiting of physi
Page 38 and 39: Overview • Resulting benefits - Q
Page 40 and 41: Fragile Watermarking • FWM (Fragi
Page 42 and 43: Counterfeit Attack Scenarios • Sc
Page 46 and 47: Original unmarked logo s Embedding
Page 48 and 49: Print-Scan Simulations Initial deco
Page 50 and 51: • Digital camera to scan and tran

M. Kivanc Mihcak - UVigo-Tv

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