Pseudo random sequence in watermarking

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marie lasz 2020-12-2

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https://ww2.mathworks.cn/matlabcentral/answers/674033-pseudo-random-sequence-in-watermarking

评论： marie lasz 2020-12-2

Hello,

I embedded watermark sequentially in a cover image which is not secure. Now I want to insert data in image by pseudo random selection rule into the blocks of 8x8. Can anyone guide me how I can do that ? Any guidance please?

Thanks

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Ameer Hamza 2020-12-2

Can you show how to you want to add the watermark?

marie lasz 2020-12-2

thanks for your response. I am using frequency domain and insertion criteria is adding bits of a grayscale image into the rgb host image. I inserted by sequentially now I want to do it by using pseudo random sequence.

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