Perceptual data hiding exploiting between-coefficient contrast masking.
Stefano MaranòFederica BattistiA. VaccariGiulia BoatoMarco CarliPublished in: Image Processing: Algorithms and Systems (2008)
Keyphrases
- data hiding
- visual masking
- human visual system
- contrast sensitivity
- natural images
- spread spectrum
- locally adaptive
- reversible data hiding
- error correction
- perceptual distortion
- error diffusion
- high capacity
- compressed images
- spatial domain
- data hiding scheme
- human perception
- watermarking technique
- quantization scheme
- visual quality
- information hiding
- tamper detection
- image quality
- data embedding
- contrast enhancement
- cover image
- jpeg images
- secret data
- secret message
- image compression
- digital images
- image processing