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An integer wavelet transform and pixel value differencing based feature specific hybrid technique for 2D ECG steganography with high payload capacity.
Neetika Soni
Indu Saini
Butta Singh
Published in:
Multim. Tools Appl. (2021)
Keyphrases
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cover image
pixel values
integer wavelet transform
stego image
image quality
binary images
data hiding
high capacity
secret data
lossless compression
spatial domain
probability density function
feature extraction
compression ratio
discrete wavelet transform
reversible data hiding