Rotation and Scaling Invariant Watermarking on Base of a Linear Polar Grid Representation.

Alexander Bahrushin Kiseon Kim

Published in: Security and Management (2005)

Keyphrases

rotation invariant
rotation invariance
preserving transformations
invariant features
fourier transform
fourier domain
invariant descriptors
affine invariant
d objects
signal processing
image representation
closed form
log polar
polar coordinates
invariant representation
similarity transformations