Digital watermarking based on curvelet transform.
Thai Duy HienKazuyoshi MiyaraIkeda KeiFath El Alem F. AliYen-Wei ChenZensho NakaoPublished in: ISSPA (2007)
Keyphrases
- digital watermarking
- curvelet transform
- wavelet transform
- discrete wavelet transform
- hierarchical representation
- copyright protection
- digital images
- fusion method
- watermarking scheme
- palmprint
- feature set
- wavelet domain
- multiresolution
- wavelet coefficients
- digital content
- contrast enhancement
- multiscale
- watermarking algorithm
- subband
- image compression
- jpeg compression
- image enhancement
- digital libraries
- metadata
- watermarking technique
- feature vectors
- enhanced image
- high frequency