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| p.1 #12 · Photoshop Camera Shake Reduction: The End of IS? |
You can't put back detail that was never there. Your image may look better, but it's not going to look as good as an image that never had any shake to begin with.
some of the detail actually is still there, just in blurred form, it can take some of that information and put some of it back in line, that said, yeah, it can't do that perfectly and it's definitely not as good as taking without shake to begin with and images are only stored with so many bits and now you have various bits overlayed with no extra precision and so on don't forget