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Congruence and geometric feature-based commutative encryption-watermarking method for vector maps.
Na Ren
Deyu Tong
Hanchuan Cui
Changqing Zhu
Qifei Zhou
Published in:
Comput. Geosci. (2022)
Keyphrases
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watermarking method
watermarking scheme
digital watermarking
jpeg images
copyright protection
watermarking algorithm
geometric transformations
image authentication
image processing
feature vectors
image features
multiresolution
highly robust