Modulo arithmetic-based image watermarking and its theoretical analysis of image-quality.
Masaaki FujiyoshiYusuke SekiHiroyuki KobayashiHitoshi KiyaPublished in: ICIP (1) (2005)
Keyphrases
- image watermarking
- image quality
- theoretical analysis
- lossy compression
- spread spectrum
- bit rate
- high quality
- reconstructed image
- compression ratio
- visual quality
- jpeg compression
- quality assessment
- low bit rate
- human visual system
- peak signal to noise ratio
- image data
- geometric distortions
- pixel values
- watermarking algorithm
- digital watermarking
- discrete wavelet transform
- additive noise
- copyright protection
- error diffusion
- lossless compression
- feature vectors