How to make watermarking for an image color?

hello everyone, I want to make the watermarking for an image color knowing that I already did it for an image on the level of gray. The problem it is that I must use Y and Cb and Cr with the method hybrid DWT and SVD .How can i start? .thak you

Answer 1

[Image Analyst]

If you MUST use wavelets and SVD, then I would think that whoever told you that would have gone over how to do it. Is that correct? Otherwise why not just whatever method you want?

[meziane madani]

¶I applied these two methods to the image gray and now I want to apply them to an image color.