Copyright Protection against Print-and-Scan Operations by Watermarking for Color Images Using Coding and Synchronization of Peak Locations in Frequency Domain.
Yen-Chung ChiuWen-Hsiang TsaiPublished in: J. Inf. Sci. Eng. (2006)
Keyphrases
- frequency domain
- color images
- copyright protection
- digital watermarking
- fourier transform
- spatial domain
- power spectrum
- image processing operations
- subband
- feature extraction
- coding scheme
- cross correlation
- gray scale
- fast fourier transform
- denoising
- low pass
- watermarking scheme
- spread spectrum
- image watermarking
- bit rate
- spectrum analysis
- digital images
- lossy compression
- image processing
- filter bank
- watermarking technique
- data hiding
- image authentication
- digital watermark
- digital content
- power spectra