QIM-DM watermarking optimization based on inter-frequency contrast masking in the DCT domain.
Federica BattistiMarco CarliAlessandro NeriPublished in: WIFS (2009)
Keyphrases
- dct domain
- human visual system
- watermarking algorithm
- dct coefficients
- spatial domain
- data hiding
- low frequency
- watermark detection
- information hiding
- jpeg images
- video watermarking
- transform domain
- spread spectrum
- post processing
- digital video
- compressed domain
- wavelet domain
- high frequency
- copyright protection
- compressed images
- discrete cosine transform
- low pass filtering
- digital images
- quantization step
- frequency domain
- watermarking technique
- visual quality
- wavelet transform
- watermark embedding
- reference frame
- watermarking scheme
- image quality
- error correction
- digital watermarking
- image watermarking
- wavelet coefficients
- multiresolution