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Published 20 hours ago • verified publisher icon fire-keeper

Scaling robustness

Open skinkie opened this issue 2 years ago • 1 comments

When an input image is scale towards a different dimension (even remaining aspect ratio) the software is unable to extract the watermark. But when the image is scaled back to its original dimension (even being blurry) the watermark can be recovered. Would there be a way to be scale invariant? For example by using features such as SIFT/SURF/ORB as landmarks for embedding?

skinkie avatar Sep 01 '21 06:09 skinkie

Since you know the original dimension, you can scale back before extraction.

3zhang avatar Jun 17 '22 04:06 3zhang