Digital image watermarking using DCT and z-score transform.
Chih-Chin LaiCi-Fong JhanWei-Shun WangPublished in: ICMLC (2010)
Keyphrases
- digital image watermarking
- digital watermark
- transform coefficients
- watermark detection
- dct domain
- transform domain
- digital watermarking
- watermarking algorithm
- discrete cosine transform
- watermarking technique
- copyright protection
- image compression
- watermarking scheme
- subband
- spatial domain
- digital images
- image processing operations
- spread spectrum
- jpeg compression
- filter bank
- image watermarking
- image processing
- reconstructed image
- computational complexity