An Efficient Watermarking Approach Based on LL and HH Edges of DWT-SVD.
Fauzia YasmeenMohammad Shorif UddinPublished in: SN Comput. Sci. (2021)
Keyphrases
- image watermarking
- singular value decomposition
- digital watermarking
- discrete wavelet transform
- multiresolution
- digital images
- geometric attacks
- lossy compression
- watermarking scheme
- directed graph
- wavelet transform
- image quality
- dimensionality reduction
- least squares
- edge detector
- watermarking algorithm
- data hiding
- spread spectrum
- image authentication