Color image watermarking using a discrete trinion Fourier transform.
Xilin LiuYongfei WuZhuhong ShaoJiasong WuHuazhong ShuPublished in: J. Electronic Imaging (2018)
Keyphrases
- fourier transform
- image watermarking
- discrete fourier transform
- frequency domain
- hartley transform
- signal processing
- watermarking algorithm
- color images
- discrete wavelet transform
- jpeg compression
- geometric distortions
- digital watermarking
- copyright protection
- additive noise
- image regions
- polar coordinates
- filter bank