Difference expansion based reversible watermarking algorithms for copyright protection of images: state-of-the-art and challenges

Lakshmi H. R., Surekha Borra. Difference expansion based reversible watermarking algorithms for copyright protection of images: state-of-the-art and challenges. I. J. Speech Technology, 24(4):823-852, 2021. [doi]

Authors

Lakshmi H. R.

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Surekha Borra

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