A novel blind color image watermarking based on Contourlet transform and Hessenberg decomposition.
Qingtang SuGang WangGaohuan LvXiaofeng ZhangGuanlong DengBeijing ChenPublished in: Multim. Tools Appl. (2017)
Keyphrases
- image watermarking
- discrete wavelet transform
- color images
- jpeg compression
- color information
- multiresolution
- additive noise
- geometric distortions
- watermarking algorithm
- multiscale
- copyright protection
- subband
- digital watermarking
- image denoising
- texture images
- digital images
- wavelet transform
- watermarked image
- lossy compression
- low frequency
- watermarking technique
- multimedia
- high frequency
- computational complexity
- high quality