A Secure Semi-fragile Self-recoverable Watermarking Algorithm Using Group-Based Wavelet Quantization.
ChunLei LiBin MaYunhong WangDi HuangZhaoxiang ZhangPublished in: PCM (2012)
Keyphrases
- watermarking algorithm
- semi fragile
- wavelet domain
- jpeg compression
- wavelet coefficients
- watermarking scheme
- signal processing
- image watermarking
- watermark embedding
- wavelet transform
- denoising
- copyright protection
- spread spectrum
- spatial domain
- image authentication
- digital watermarking
- watermarking method
- discrete wavelet transform
- multiscale
- multiresolution
- wavelet packet
- dct coefficients
- lossy compression
- image denoising
- geometric distortions
- subband
- human visual system
- high resolution
- watermark detection
- digital images
- image quality
- high frequency
- user authentication
- jpeg images
- low frequency
- image data
- watermarking technique