Login / Signup
Robust Image Watermarking Based on Multiscale Gradient Direction Quantization.
Ehsan Nezhadarya
Z. Jane Wang
Rabab Kreidieh Ward
Published in:
IEEE Trans. Inf. Forensics Secur. (2011)
Keyphrases
</>
gradient direction
robust image watermarking
multiscale
gradient magnitude
scale space
edge detection
wavelet transform
zero crossing
natural images
image representation
image segmentation
image processing
tensor field
edge detector
affine invariant
coarse to fine
wavelet coefficients