Sign Correlation Detector for Blind Image Watermarking in the DCT Domain.
Xiaochen BoLincheng ShenWensen ChangPublished in: IEEE Pacific Rim Conference on Multimedia (2001)
Keyphrases
- image watermarking
- dct domain
- watermark detection
- dct coefficients
- jpeg compression
- spatial domain
- watermarking algorithm
- post processing
- transform domain
- spread spectrum
- compressed domain
- additive noise
- discrete cosine transform
- digital video
- human visual system
- low frequency
- discrete wavelet transform
- watermarking technique
- geometric distortions
- digital watermarking
- frequency domain
- feature vectors
- reference frame
- lossy compression
- copyright protection
- watermarked image
- image blocks
- wavelet domain
- image compression
- signal processing