Dither-modulation data hiding with distortion-compensation: exact performance analysis and an improved detector for JPEG attacks.
Fernando Pérez-GonzálezPedro ComesañaFélix BaladoPublished in: ICIP (2) (2003)
Keyphrases
- quantization index modulation
- data hiding
- jpeg compression
- watermarking technique
- lossy compression
- watermarking algorithm
- watermarking scheme
- jpeg images
- quantization step
- image watermarking
- watermarked image
- error correction
- compressed domain
- digital watermarking
- watermarking method
- spread spectrum
- digital images
- dct coefficients
- copyright protection
- image authentication
- information hiding
- spatial domain
- image compression
- reversible data hiding
- discrete wavelet transform
- secret message
- compression algorithm
- dct domain
- embedded image
- motion vectors
- secret data
- compressed images
- cover image
- wavelet domain
- image coding
- halftone images
- video sequences
- watermark detection
- gaussian noise
- discrete cosine transform
- motion estimation