Second generation benchmarking and application oriented ... - CVML

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2. New attacks Synchronization removal (estimation-based) TEMPLATE Marked data Watermark estimation F | · | Peak detector | · | Interpolator F arg F -1 Affine Transform Attacked data The basic idea is: •detect synchronization patterns •remove •apply desynchronization techniques. Computer Vision Group University of Geneva
2. New attacks • Non-uniform line removal (random interval) • Collage attacks (ex: magazine applications) • Projective Transforms Geometrical attacks Attacked data Simulation of Record TV screen x Record cinema screen y Marked data 2D z=f (x,y) Sphere Cylinder Wave … 3D Geometrical Transforms Rotations Shearing Scale changes … 3D Projection back Perspective projection Parallel projection 2D Random Bending Computer Vision Group University of Geneva
Page 1 and 2: Second generation benchmarking and
Page 3 and 4: 1. Benchmarking state-of-art • Ro
Page 5 and 6: 1. Benchmarking state-of-art Classi
Page 7 and 8: 2. New attacks Estimation-based Ass
Page 9: 2. New attacks The copy attack (est
Page 13 and 14: 3. New quality metrics Comparison
Page 15 and 16: 4. Checkmark Application oriented e
Page 17 and 18: 5. Conclusions • Current Stirmark

Second generation benchmarking and application oriented ... - CVML

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