Time-Frequency Signal Synthesis and Its Application in Multimedia Watermark Detection.
Lam LeSridhar KrishnanPublished in: EURASIP J. Adv. Signal Process. (2006)
Keyphrases
- multimedia
- signal processing
- watermark detection
- watermarking algorithm
- frequency domain
- copyright protection
- multimedia content
- dct domain
- multimedia data
- spread spectrum
- image watermarking
- wavelet packet
- digital watermarking
- digital video
- watermarking scheme
- low frequency
- digital images
- high frequency
- jpeg compression
- subband
- non stationary
- geometric distortions
- metadata
- digital libraries
- e learning
- filter bank
- additive noise
- dct coefficients
- image processing