There are lots of watermarking survey based on particular techniques, like reversible, or based on image , or audio only. There is not a single survey paper which deals with audio video image in the same.
Yeah , because it is not measurable with SNR/PSNR , only visual way so rather people would use it than research it ... I guess
in the following attachment, you can find two surveys on multimedia watermark that may be useful to you.
Because generally when we deal with a host data, we search for techniques related to this specific media type, so almost of watermarking survey, discuss a single type in order to expose the maximum of existing watermarking techniques related with it. In fact, each media (audio, image, video or even 3D video) have different proprieties and so different ways to be marked with. I think for this reason researcher focus in a particular type.
But, a survey which deals with the different multimedia types can be helpful to have a general idea about digital watermarking.
Saoussen Ben Jabra
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