Invariant color image watermarking approach using quaternion radial harmonic Fourier moments.
Panpan NiuPei WangYu-nan LiuHong-Ying YangXiangyang WangPublished in: Multim. Tools Appl. (2016)
Keyphrases
- image watermarking
- orthogonal fourier mellin
- moment invariants
- color texture
- fourier transform
- zernike moments
- polar coordinates
- pattern recognition
- affine transformation
- color images
- fourier descriptors
- orthogonal moments
- feature vectors
- jpeg compression
- image normalization
- watermarking algorithm
- geometric distortions
- additive noise
- feature extraction
- affine invariant
- digital watermarking
- discrete wavelet transform
- frequency domain
- copyright protection
- image regions
- invariant features
- image reconstruction
- image quality
- watermarking technique