Multimedia Data Hiding and Authentication via Halftoning and Coordinate Projection.
Chai Wah WuPublished in: EURASIP J. Adv. Signal Process. (2002)
Keyphrases
- data hiding
- halftone images
- multimedia
- error diffusion
- tamper detection
- error correction
- gray scale
- spread spectrum
- reversible data hiding
- color images
- spatial domain
- high capacity
- image quality
- information hiding
- data hiding scheme
- image authentication
- secret data
- video data
- cover image
- metadata
- gray level
- black and white
- watermarking technique
- jpeg images
- digital video
- digital watermarking
- multimedia content
- multimedia data
- frequency domain
- data embedding
- authentication scheme
- human visual system
- co occurrence
- user authentication
- binary images
- image data
- image processing