A subband DCT approach to image watermarking.
Vassilis E. FotopoulosAthanassios N. SkodrasPublished in: EUSIPCO (2000)
Keyphrases
- image watermarking
- subband
- image compression
- discrete wavelet transform
- filter bank
- discrete cosine transform
- lossy compression
- jpeg compression
- wavelet transform
- wavelet coefficients
- bit rate
- spread spectrum
- low bit rate
- dct coefficients
- high frequency
- frequency domain
- multiresolution
- wavelet domain
- low frequency
- feature vectors
- dct domain
- digital watermarking
- compression algorithm
- compression ratio
- reconstructed image
- watermarking algorithm
- low pass
- image processing
- macroblock
- lossless compression
- transform domain
- geometric distortions
- image quality
- copyright protection
- multiscale
- watermarking technique
- video coding
- watermarked image
- noisy images