A digital watermarking scheme that preserves image quality and is applicable to watermark sequences from a variety of distributions.
Takashi TachibanaMasaaki FujiyoshiHitoshi KiyaPublished in: Systems and Computers in Japan (2006)
Keyphrases
- watermarking scheme
- image quality
- digital watermarking
- jpeg compression
- watermarking algorithm
- copyright protection
- watermark embedding
- quality assessment
- visual quality
- watermarking method
- watermark detection
- human visual system
- watermarking technique
- error correction
- blind watermarking
- robust watermarking scheme
- high quality
- geometric distortions
- video watermarking
- image data
- digital watermark
- peak signal to noise ratio
- lossy compression
- pixel values
- compression ratio
- geometric attacks
- image authentication
- reconstructed image
- image watermarking scheme
- bit rate
- semi fragile
- spread spectrum
- image watermarking
- digital images
- error diffusion
- digital content
- image processing