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"A new optimization based color image watermarking using non-negative ..."
- Sourabh Sharma

, Harish Sharma, Janki Ballabh Sharma:
A new optimization based color image watermarking using non-negative matrix factorization in discrete cosine transform domain. J. Ambient Intell. Humaniz. Comput. 13(9): 4297-4319 (2022)

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