What is visible watermark ? -Explain three ways to implement it (Ex. DCT) ? -Give me the Frequency Analysis - Pixel Distribution (Heuristic approaches).

computer science

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What is visible watermark ? -Explain three ways to implement it (Ex. DCT) ? -Give me the Frequency Analysis - Pixel Distribution (Heuristic approaches). -What is the benefits? Please I need reference for all the information. I put some article that may help you. http://www.cse.unt.edu/~smohanty/ISWAR_Watermarker/Visible_Watermarking_Algorithm.pdf http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.19.3754&rep=rep1&type=pdf Additional Requirements Min Pages: 2 Level of Detail: Show all work I don't care about the pages or the words, if you can just answer the question with reference. Also, explain three ways to implement it with advantages and disadvantages for it. with references

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