Digital watermarking based on frequency random position insertion.
Lee-Ming ChengL. L. ChengC. K. ChanK. W. NgPublished in: ICARCV (2004)
Keyphrases
- digital watermarking
- digital images
- copyright protection
- discrete wavelet transform
- watermarking scheme
- image authentication
- spread spectrum
- digital content
- digital watermark
- low frequency
- watermarking technique
- lossy compression
- watermarking algorithm
- multiresolution
- feature space
- geometric distortions
- pattern recognition
- data sources