Second generation benchmarking and application oriented ... - CVML
Second generation benchmarking and application oriented ... - CVML
Second generation benchmarking and application oriented ... - CVML
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2. New attacks<br />
• Non-uniform line removal (r<strong>and</strong>om interval)<br />
• Collage attacks (ex: magazine <strong>application</strong>s)<br />
• Projective Transforms<br />
Geometrical attacks<br />
Attacked data<br />
Simulation of<br />
Record TV screen<br />
x<br />
Record cinema screen<br />
y<br />
Marked<br />
data<br />
2D<br />
z=f (x,y)<br />
Sphere<br />
Cylinder<br />
Wave<br />
…<br />
3D<br />
Geometrical<br />
Transforms<br />
Rotations<br />
Shearing<br />
Scale changes<br />
…<br />
3D<br />
Projection<br />
back<br />
Perspective projection<br />
Parallel projection<br />
2D<br />
R<strong>and</strong>om Bending<br />
Computer Vision Group<br />
University of Geneva
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