Hiding Secrets in Electrocardiogram Based on Integer Wavelet Transform with Coefficient Adjustment and LSB Substitution.
Ching-Yu YangWen-Fong WangPublished in: Netw. Commun. Technol. (2022)
Keyphrases
- integer wavelet transform
- image authentication
- least significant bit
- lossless compression
- image coding
- data embedding
- stego image
- public key
- cover image
- lifting scheme
- hash functions
- discrete wavelet transform
- jpeg compression
- authentication scheme
- digital images
- lossless image compression
- data hiding
- hidden information
- lossy compression
- image content
- copyright protection
- compression scheme
- watermarking scheme
- pixel values
- secret message
- image compression
- signature scheme
- feature vectors
- manifold learning
- smart card
- filter bank
- high frequency
- image quality
- multiresolution