Keyphrases
- watermarking method
- digital watermarking
- discrete wavelet transform
- image watermarking
- copyright protection
- watermarking scheme
- watermarking algorithm
- jpeg compression
- digital images
- multiresolution
- spread spectrum
- wavelet domain
- lossy compression
- image fusion
- subband
- high frequency
- jpeg images
- feature vectors
- multimedia data
- image processing
- watermark embedding
- dct coefficients
- signal processing
- digital content
- coding scheme