An efficient data hiding for ECG signals based on the integer wavelet transform and block standard deviation.
Ching-Yu YangWen-Fong WangPublished in: J. King Saud Univ. Comput. Inf. Sci. (2022)
Keyphrases
- standard deviation
- data hiding
- stego image
- integer wavelet transform
- reversible data hiding
- cover image
- secret data
- lossy compression
- image blocks
- data embedding
- error correction
- spread spectrum
- spatial domain
- jpeg images
- correlation coefficient
- high capacity
- information hiding
- halftone images
- digital images
- transform domain
- watermarking technique
- discrete wavelet transform
- motion estimation