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Robust zero-watermarking scheme using DT CWT and improved differential entropy for color medical images.
Deyang Wu
Li Li
Jiayan Wang
Penghui Ma
Zichi Wang
Hanzhou Wu
Published in:
J. King Saud Univ. Comput. Inf. Sci. (2023)
Keyphrases
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medical images
watermarking scheme
medical imaging
color images
region of interest
dt cwt
color information
watermarking algorithm
multiresolution
face recognition
multiscale
feature space
feature vectors
image analysis