A robust blind color image watermarking in quaternion Fourier transform domain.
Xiangyang WangChunpeng WangHong-Ying YangPanpan NiuPublished in: J. Syst. Softw. (2013)
Keyphrases
- image watermarking
- spread spectrum
- transform domain
- spatial domain
- fourier transform
- additive noise
- geometric distortions
- jpeg compression
- watermarking algorithm
- frequency domain
- discrete wavelet transform
- digital watermarking
- copyright protection
- discrete cosine transform
- dct coefficients
- dct domain
- watermarking technique
- color images
- lossy compression
- digital images
- image quality
- high frequency
- watermarked image
- image compression