Digital watermarking based on fractal image coding using DWT and HVS.
Satoshi OhgaRyuji HamabePublished in: Int. J. Knowl. Based Intell. Eng. Syst. (2014)
Keyphrases
- digital watermarking
- fractal image coding
- discrete wavelet transform
- human visual system
- wavelet domain
- vector quantization
- image watermarking
- watermark embedding
- digital images
- copyright protection
- visual quality
- image quality
- multiresolution
- watermarking scheme
- quadtree
- high frequency
- wavelet coefficients
- jpeg compression
- lossy compression
- coding scheme
- watermarking algorithm
- watermarking technique
- visual information
- image fusion
- low frequency
- subband
- computer vision
- error diffusion
- spatial domain
- feature vectors