Digital Watermarking Method Warranting the Lower Limit of Image Quality of Watermarked Images.
Motoi IwataTomoo KanayaAkira ShiozakiAkio OgiharaPublished in: EURASIP J. Adv. Signal Process. (2010)
Keyphrases
- image quality
- watermarking method
- watermarked image
- digital watermarking
- pixel values
- lossy compression
- watermarking scheme
- digital content
- digital images
- spread spectrum
- copyright protection
- bit rate
- watermarking algorithm
- spatial domain
- visual quality
- image watermarking
- data hiding
- high quality
- watermark embedding
- human visual system
- jpeg images
- quality assessment
- jpeg compression
- image data
- reconstructed image
- compression ratio
- peak signal to noise ratio
- discrete wavelet transform
- watermarking technique
- low bit rate
- singular values
- digital libraries
- image sequences
- video sequences
- gray level
- video coding
- error diffusion
- communication systems