Watermarking technique based on three-coefficient comparison in DCT domain.
Qiudong SunLiandong WangYufeng ShaoJiancun ZuoPublished in: J. Supercomput. (2016)
Keyphrases
- dct domain
- compressed domain
- watermarking technique
- watermark detection
- video watermarking
- post processing
- spatial domain
- transform domain
- dct coefficients
- digital watermarking
- digital images
- human visual system
- copyright protection
- watermarking scheme
- discrete cosine transform
- digital video
- image watermarking
- low frequency
- spread spectrum
- data hiding
- watermarking algorithm
- video analysis
- motion vectors
- quantization step
- similarity measure
- inter frame
- wavelet domain
- high frequency