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[WM]: SVD based watermarking.
Hello watermarkers,
i am a under graduate student doing project in watermarking from Indonesia.
i am now working on paper
"SVD based watermarkingg scheme for protecting rightful ownership"
ieee tr on multimedia march 2002.
IF I HAVE TAKEN a= 128*128 image.
after finding svd you get 3 matrices U S V.
S matrix IS 128*128
my question are:
1. How can i know the maximal capacity of watermark image?
2. Where can i embed the watermark images to the 128*128 cover image?
3. How can i embed a 50*50 watermark to it?
4. Can i embed into the top 50*50 elements of s matrix?
plz help to clear my doubt....
i really need the answer??
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