Digital watermarking using zerotree of DCT.
Chuan-Fu WuWen-Shyong HsiehPublished in: IEEE Trans. Consumer Electron. (2000)
Keyphrases
- digital watermarking
- digital watermark
- image compression
- discrete cosine transform
- lossy compression
- watermark detection
- digital images
- discrete wavelet transform
- dct coefficients
- copyright protection
- jpeg compression
- watermarking scheme
- image coding
- image watermarking
- low bit rate
- watermarked image
- image authentication
- spread spectrum
- wavelet transform
- watermarking algorithm
- digital content
- compression ratio
- subband
- dct domain
- image processing
- lossless compression
- watermarking technique
- compression algorithm
- image fusion
- image data
- transform domain
- wavelet domain
- filter bank
- wavelet coefficients
- computational complexity