A DCT-domain system for robust image watermarking.
Mauro BarniFranco BartoliniVito CappelliniAlessandro PivaPublished in: Signal Process. (1998)
Keyphrases
- robust image watermarking
- dct domain
- spatial domain
- transform domain
- post processing
- dct coefficients
- compressed domain
- digital video
- human visual system
- discrete cosine transform
- quantization step
- low pass filtering
- compressed images
- low frequency
- image resizing
- high frequency
- video transcoding
- jpeg compression
- reference frame
- image processing
- face recognition
- computer vision
- multiscale
- visual quality
- motion vectors