Submitted by so-gold t3_117npc4 in askscience
rjolivet t1_j9gimkz wrote
Bluring is not a bijective function. Meaning two different images could give the same blurred one. Some information is lost.
This said, some IA models are specifically trained to unblur images : they don't get back the lost information but only make up a possible sharp images that could have resulted to the blurred one, based on what it saw before.
The results are quite impressive.
https://ai.smartmine.net/service/computer-vision/image-deblurring
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