Keyphrases
- data hiding
- tamper detection
- secret message
- data hiding scheme
- embedded image
- watermarking technique
- data embedding
- cover image
- secret data
- error correction
- lossy compression
- reversible data hiding
- high capacity
- spread spectrum
- hiding capacity
- image authentication
- jpeg images
- block truncation coding
- information hiding
- image scrambling
- image data
- least significant bit
- spatial domain
- watermarked image
- input image
- halftone images
- digital images
- image content
- stego image
- multiscale
- hidden information
- image segmentation
- wavelet domain
- pixel values
- error concealment