Submitted by so-gold t3_117npc4 in askscience
paleblueyedot t1_j9dtlsb wrote
> The only possible image that could’ve created the new blurred image is your original photo right?
Is this true? It seems counterintuitive that a gaussian blurred image A' couldn't be created by both A and B.
Maybe you're right though. See this.
mfb- t1_j9e1hrp wrote
It's not true for real images (with a finite number of pixels and colors).
slashdave t1_j9e4c45 wrote
>The only possible image that could’ve created the new blurred image is your original photo right?
No. Just consider the extreme. What if you blurred an image so much that it turned into a solid color?
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