I have an image which I have modified through Picasa ( using Soft Focus - essentially I am making the faces blurred ).
Question is : If I upload that photo to Facebook, and a user downloads it from Facebook, is there any way they can modify the photo so that the face is in focus again?
PS: I am not doing anything mischievous - my subject is against a brick wall holding a Nikon camera, and I just want to focus on the camera strap so I've blurred everything else.
Answer
There is a technique called deconvolution which can, to some extent, recover distorted or blurred image detail.
Topaz labs have a product called InFocus which uses this sort of technique. It can sharpen certain images, but if you have blurred your faces substantially, I believe it would be beyond the ability of any tool to recover. Maybe on CSI :P
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