A novel method to embed watermark in different halftone images: data hiding by conjugate error diffusion (DHCED).
Ming Sun FuOscar C. AuPublished in: ICME (2003)
Keyphrases
- halftone images
- data hiding
- error diffusion
- high capacity
- inverse halftoning
- gray scale
- spread spectrum
- information hiding
- watermarking technique
- digital images
- black and white
- spatial domain
- data embedding
- gray images
- visual quality
- continuous tone images
- watermarking method
- halftoning algorithm
- computer vision
- human visual system
- gray level
- image quality
- computational complexity
- video sequences