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pro vyhledávání: '"sup>Vahid Saffari"'
Publikováno v:
Research Journal of Applied Sciences, Engineering and Technology. 7:5157-5162
Generally, Laplacian filter is used to make an image more defined and enhanced. In this study, a comparison is toke place between the effects of different places of performing Laplacian filter on the power of the watermark recovery in spatial domain