nD-CTBCS	n-dimensional cosine-transform-based chaotic system
1-DCMA	One-dimensional chaotic mapping amplifier
DH	Data hiding
RDH	Reversible data hiding
RDWT	Redundant discrete wavelet transform
NSST	Non-subsampled shear wave transform
LM	Logistic map
ICMIC	Iterative chaotic map with infinite collapse
LE	Lyapunov exponents
MLE	Maximum Lyapunov exponent
PE	Permutation entropy
2D-LSM	Two-dimensional Logistics–sine mapping
2D-SFM	Two-dimensional Sine–fraction mapping
2D-SIM	Two-dimensional Sine–ICMIC mapping
2D-LSCM	Two-dimensional Logistic–Sine–Cosine map
2D-LSMCL	Two-dimensional Logistic-modulated–Sine-coupling–Logistic chaotic map
2D-LACM	Two-dimensional Logistic-Adjusted-Chebyshev map
ROI	Region of interest
DRPE	Double random phase coding
EMR	Electronic medical record
MED	Median edge detector
PSNR	Peak signal-to-noise ratio
MSE	Mean square error
PCE	Peak-to-correlation energy
ER	Embedded rates
EC	Embedded capacity
AL	Auxiliary information