A new optimization based color image watermarking using non-negative matrix factorization in discrete cosine transform domain - researchr publication

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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 Intelligence and Humanized Computing, 13(9):4297-4319, 2022. [doi]

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