An Improved Algorithm of Digital Watermarking Based on Wavelet Transform.
Jianhong SunJunsheng LiZhiyong LiPublished in: CSIE (7) (2009)
Keyphrases
- digital watermarking
- wavelet transform
- discrete wavelet transform
- wavelet domain
- wavelet coefficients
- subband
- multiresolution
- digital images
- copyright protection
- high frequency
- low frequency
- image compression
- multiscale
- watermarking algorithm
- watermarking scheme
- watermarking technique
- digital watermark
- digital content
- feature extraction
- jpeg compression
- lossy compression
- image processing
- image fusion
- filter bank
- frequency domain
- geometric distortions
- face recognition