Keyphrases
- data hiding
- fundamental issues
- data hiding scheme
- tamper detection
- input image
- jpeg images
- image content
- embedded image
- secret message
- multiscale
- image data
- watermarking technique
- reversible data hiding
- error correction
- image scrambling
- secret data
- block truncation coding
- high capacity
- video content
- edge detection
- data embedding
- cover image
- spread spectrum
- video data
- information hiding
- watermarked image
- image segmentation
- digital images
- pixel values
- video sequences
- test images
- video frames