DCT Domain Message Embedding in Spread-Spectrum Steganography System.
Neha AgrawalAnubha GuptaPublished in: DCC (2009)
Keyphrases
- spread spectrum
- dct domain
- watermark detection
- transform domain
- data hiding
- spatial domain
- watermarking algorithm
- dct coefficients
- video watermarking
- watermark embedding
- image watermarking
- cover image
- watermarked image
- frequency domain
- watermarking scheme
- compressed images
- additive noise
- discrete cosine transform
- post processing
- copyright protection
- wavelet domain
- signal processing
- jpeg compression
- watermarking technique
- motion estimation
- high quality
- error correction
- bit error rate
- digital watermarking
- gray scale
- digital images
- image data