A Novel Zero-Watermarking Scheme Based on Variable Parameter Chaotic Mapping in NSPD-DCT Domain.
Rui WangShaocheng HanPeng ZhangMeng YueZheng ChengYujin ZhangPublished in: IEEE Access (2020)
Keyphrases
- dct domain
- watermarking scheme
- watermark detection
- video watermarking
- dct coefficients
- jpeg compression
- transform domain
- spatial domain
- post processing
- spread spectrum
- watermarking algorithm
- compressed domain
- digital video
- human visual system
- digital watermarking
- discrete cosine transform
- low pass filtering
- copyright protection
- error correction
- watermarking technique
- compressed images
- watermark embedding
- low frequency
- computational complexity
- motion estimation
- geometric distortions
- jpeg images
- watermarking method
- data hiding
- image watermarking
- watermarked image
- image sequences
- frequency domain
- multiresolution
- high quality