A Robust-Fragile Dual Watermarking System in the DCT Domain.
Moussa HabibSami SarhanLama RajabPublished in: KES (2) (2005)
Keyphrases
- dct domain
- watermark detection
- spatial domain
- image watermarking
- post processing
- video watermarking
- dct coefficients
- transform domain
- digital video
- compressed images
- human visual system
- watermarking method
- spread spectrum
- discrete cosine transform
- low pass filtering
- watermarking scheme
- jpeg images
- quantization step
- low frequency
- watermarking technique
- image blocks
- watermarking algorithm
- image resizing
- digital images
- compressed domain
- video transcoding